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* cifs: prevent infinite recursion in cifs_reconnect_tconJeff Layton2010-10-011-16/+33
| | | | | | | | | | | | | | | | | | | cifs_reconnect_tcon is called from smb_init. After a successful reconnect, cifs_reconnect_tcon will call reset_cifs_unix_caps. That function will, in turn call CIFSSMBQFSUnixInfo and CIFSSMBSetFSUnixInfo. Those functions also call smb_init. It's possible for the session and tcon reconnect to succeed, and then for another cifs_reconnect to occur before CIFSSMBQFSUnixInfo or CIFSSMBSetFSUnixInfo to be called. That'll cause those functions to call smb_init and cifs_reconnect_tcon again, ad infinitum... Break the infinite recursion by having those functions use a new smb_init variant that doesn't attempt to perform a reconnect. Reported-and-Tested-by: Michal Suchanek <hramrach@centrum.cz> Signed-off-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
* Revert "[CIFS] Fix ntlmv2 auth with ntlmssp"Steve French2010-09-081-8/+5
| | | | | | | | | | | | This reverts commit 9fbc590860e75785bdaf8b83e48fabfe4d4f7d58. The change to kernel crypto and fixes to ntlvm2 and ntlmssp series, introduced a regression. Deferring this patch series to 2.6.37 after Shirish fixes it. Signed-off-by: Steve French <sfrench@us.ibm.com> Acked-by: Jeff Layton <jlayton@redhat.com> CC: Shirish Pargaonkar <shirishp@us.ibm.com>
* [CIFS] Fix ntlmv2 auth with ntlmsspSteve French2010-08-201-5/+8
| | | | | | | | | | | | | | | | | | | | | Make ntlmv2 as an authentication mechanism within ntlmssp instead of ntlmv1. Parse type 2 response in ntlmssp negotiation to pluck AV pairs and use them to calculate ntlmv2 response token. Also, assign domain name from the sever response in type 2 packet of ntlmssp and use that (netbios) domain name in calculation of response. Enable cifs/smb signing using rc4 and md5. Changed name of the structure mac_key to session_key to reflect the type of key it holds. Use kernel crypto_shash_* APIs instead of the equivalent cifs functions. Signed-off-by: Shirish Pargaonkar <shirishpargaonkar@gmail.com> Acked-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: Steve French <sfrench@us.ibm.com>
* cifs: have decode_negTokenInit set flags in server structJeff Layton2010-05-051-3/+9
| | | | | | | | ...rather than the secType. This allows us to get rid of the MSKerberos securityEnum. The client just makes a decision at upcall time. Signed-off-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
* cifs: break negotiate protocol calls out of cifs_setup_sessionJeff Layton2010-05-051-1/+2
| | | | | | | | So that we can reasonably set up the secType based on both the NegotiateProtocol response and the parsed mount options. Signed-off-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
* cifs: save the dialect chosen by serverJeff Layton2010-04-271-6/+5
| | | | | Signed-off-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
* cifs: rename "extended_security" to "global_secflags"Jeff Layton2010-04-261-1/+1
| | | | | | | ...since that more accurately describes what that variable holds. Signed-off-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
* [CIFS] Cleanup various minor breakage in previous cFYI cleanupSteve French2010-04-211-11/+11
| | | | Signed-off-by: Steve French <sfrench@us.ibm.com>
* [CIFS] Neaten cERROR and cFYI macros, reduce text spaceJoe Perches2010-04-211-199/+194
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Neaten cERROR and cFYI macros, reduce text space ~2.5K Convert '__FILE__ ": " fmt' to '"%s: " fmt', __FILE__' to save text space Surround macros with do {} while Add parentheses to macros Make statement expression macro from macro with assign Remove now unnecessary parentheses from cFYI and cERROR uses defconfig with CIFS support old $ size fs/cifs/built-in.o text data bss dec hex filename 156012 1760 148 157920 268e0 fs/cifs/built-in.o defconfig with CIFS support old $ size fs/cifs/built-in.o text data bss dec hex filename 153508 1760 148 155416 25f18 fs/cifs/built-in.o allyesconfig old: $ size fs/cifs/built-in.o text data bss dec hex filename 309138 3864 74824 387826 5eaf2 fs/cifs/built-in.o allyesconfig new $ size fs/cifs/built-in.o text data bss dec hex filename 305655 3864 74824 384343 5dd57 fs/cifs/built-in.o Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
* Merge git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6Linus Torvalds2010-04-081-2/+32
|\ | | | | | | | | | | | | | | * git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6: not overwriting file_lock structure after GET_LK cifs: Fix a kernel BUG with remote OS/2 server (try #3) [CIFS] initialize nbytes at the beginning of CIFSSMBWrite() [CIFS] Add mmap for direct, nobrl cifs mount types
| * not overwriting file_lock structure after GET_LKPavel Shilovsky2010-04-061-1/+14
| | | | | | | | | | | | | | | | | | | | If we have preventing lock, cifs should overwrite file_lock structure with info about preventing lock. If we haven't preventing lock, cifs should leave it unchanged except for the lock type (change it to F_UNLCK). Signed-off-by: Pavel Shilovsky <piastryyy@gmail.com> Reviewed-by: Jeff Layton <jlayton@samba.org> Signed-off-by: Steve French <sfrench@us.ibm.com>
| * cifs: Fix a kernel BUG with remote OS/2 server (try #3)Suresh Jayaraman2010-04-031-0/+16
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | While chasing a bug report involving a OS/2 server, I noticed the server sets pSMBr->CountHigh to a incorrect value even in case of normal writes. This results in 'nbytes' being computed wrongly and triggers a kernel BUG at mm/filemap.c. void iov_iter_advance(struct iov_iter *i, size_t bytes) { BUG_ON(i->count < bytes); <--- BUG here Why the server is setting 'CountHigh' is not clear but only does so after writing 64k bytes. Though this looks like the server bug, the client side crash may not be acceptable. The workaround is to mask off high 16 bits if the number of bytes written as returned by the server is greater than the bytes requested by the client as suggested by Jeff Layton. CC: Stable <stable@kernel.org> Reviewed-by: Jeff Layton <jlayton@samba.org> Signed-off-by: Suresh Jayaraman <sjayaraman@suse.de> Signed-off-by: Steve French <sfrench@us.ibm.com>
| * [CIFS] initialize nbytes at the beginning of CIFSSMBWrite()Steve French2010-04-031-1/+2
| | | | | | | | | | | | | | | | | | | | | | | | By doing this we always overwrite nbytes value that is being passed on to CIFSSMBWrite() and need not rely on the callers to initialize. CIFSSMBWrite2 is doing this already. CC: Stable <stable@kernel.org> Reviewed-by: Shirish Pargaonkar <shirishpargaonkar@gmail.com> Reviewed-by: Jeff Layton <jlayton@samba.org> Signed-off-by: Suresh Jayaraman <sjayaraman@suse.de> Signed-off-by: Steve French <sfrench@us.ibm.com>
* | include cleanup: Update gfp.h and slab.h includes to prepare for breaking ↵Tejun Heo2010-03-301-0/+1
|/ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | implicit slab.h inclusion from percpu.h percpu.h is included by sched.h and module.h and thus ends up being included when building most .c files. percpu.h includes slab.h which in turn includes gfp.h making everything defined by the two files universally available and complicating inclusion dependencies. percpu.h -> slab.h dependency is about to be removed. Prepare for this change by updating users of gfp and slab facilities include those headers directly instead of assuming availability. As this conversion needs to touch large number of source files, the following script is used as the basis of conversion. http://userweb.kernel.org/~tj/misc/slabh-sweep.py The script does the followings. * Scan files for gfp and slab usages and update includes such that only the necessary includes are there. ie. if only gfp is used, gfp.h, if slab is used, slab.h. * When the script inserts a new include, it looks at the include blocks and try to put the new include such that its order conforms to its surrounding. It's put in the include block which contains core kernel includes, in the same order that the rest are ordered - alphabetical, Christmas tree, rev-Xmas-tree or at the end if there doesn't seem to be any matching order. * If the script can't find a place to put a new include (mostly because the file doesn't have fitting include block), it prints out an error message indicating which .h file needs to be added to the file. The conversion was done in the following steps. 1. The initial automatic conversion of all .c files updated slightly over 4000 files, deleting around 700 includes and adding ~480 gfp.h and ~3000 slab.h inclusions. The script emitted errors for ~400 files. 2. Each error was manually checked. Some didn't need the inclusion, some needed manual addition while adding it to implementation .h or embedding .c file was more appropriate for others. This step added inclusions to around 150 files. 3. The script was run again and the output was compared to the edits from #2 to make sure no file was left behind. 4. Several build tests were done and a couple of problems were fixed. e.g. lib/decompress_*.c used malloc/free() wrappers around slab APIs requiring slab.h to be added manually. 5. The script was run on all .h files but without automatically editing them as sprinkling gfp.h and slab.h inclusions around .h files could easily lead to inclusion dependency hell. Most gfp.h inclusion directives were ignored as stuff from gfp.h was usually wildly available and often used in preprocessor macros. Each slab.h inclusion directive was examined and added manually as necessary. 6. percpu.h was updated not to include slab.h. 7. Build test were done on the following configurations and failures were fixed. CONFIG_GCOV_KERNEL was turned off for all tests (as my distributed build env didn't work with gcov compiles) and a few more options had to be turned off depending on archs to make things build (like ipr on powerpc/64 which failed due to missing writeq). * x86 and x86_64 UP and SMP allmodconfig and a custom test config. * powerpc and powerpc64 SMP allmodconfig * sparc and sparc64 SMP allmodconfig * ia64 SMP allmodconfig * s390 SMP allmodconfig * alpha SMP allmodconfig * um on x86_64 SMP allmodconfig 8. percpu.h modifications were reverted so that it could be applied as a separate patch and serve as bisection point. Given the fact that I had only a couple of failures from tests on step 6, I'm fairly confident about the coverage of this conversion patch. If there is a breakage, it's likely to be something in one of the arch headers which should be easily discoverable easily on most builds of the specific arch. Signed-off-by: Tejun Heo <tj@kernel.org> Guess-its-ok-by: Christoph Lameter <cl@linux-foundation.org> Cc: Ingo Molnar <mingo@redhat.com> Cc: Lee Schermerhorn <Lee.Schermerhorn@hp.com>
* Merge git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6Linus Torvalds2010-03-191-1/+134
|\ | | | | | | | | | | | | | | | | | | * git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6: cifs: trivial white space [CIFS] checkpatch cleanup cifs: add cifs_revalidate_file cifs: add a CIFSSMBUnixQFileInfo function cifs: add a CIFSSMBQFileInfo function cifs: overhaul cifs_revalidate and rename to cifs_revalidate_dentry
| * cifs: trivial white spaceDan Carpenter2010-03-151-1/+1
| | | | | | | | | | | | | | I fixed the indent level. Signed-off-by: Dan Carpenter <error27@gmail.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
| * cifs: add a CIFSSMBUnixQFileInfo functionJeff Layton2010-03-061-0/+69
| | | | | | | | | | | | | | ...to allow us to get unix attrs via filehandle. Signed-off-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
| * cifs: add a CIFSSMBQFileInfo functionJeff Layton2010-03-061-0/+64
| | | | | | | | | | | | | | | | | | | | | | | | ...to get inode attributes via filehandle instead of by path. In some places, we need to revalidate an inode on an open filehandle, but we can't necessarily guarantee that the dentry associated with it will still be valid. When we have an open filehandle already, it makes more sense to do a filehandle based operation anyway. Signed-off-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
* | Merge branch 'for-next' into for-linusJiri Kosina2010-03-081-1/+1
|\ \ | |/ |/| | | | | | | | | | | | | Conflicts: Documentation/filesystems/proc.txt arch/arm/mach-u300/include/mach/debug-macro.S drivers/net/qlge/qlge_ethtool.c drivers/net/qlge/qlge_main.c drivers/net/typhoon.c
| * tree-wide: Assorted spelling fixesDaniel Mack2010-02-091-1/+1
| | | | | | | | | | | | | | | | | | | | | | In particular, several occurances of funny versions of 'success', 'unknown', 'therefore', 'acknowledge', 'argument', 'achieve', 'address', 'beginning', 'desirable', 'separate' and 'necessary' are fixed. Signed-off-by: Daniel Mack <daniel@caiaq.de> Cc: Joe Perches <joe@perches.com> Cc: Junio C Hamano <gitster@pobox.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
* | [CIFS] pSesInfo->sesSem is used as mutex. Rename it to session_mutex andSteve French2010-02-251-6/+6
| | | | | | | | | | | | | | | | convert it to a real mutex. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
* | [CIFS] Use unsigned ea length for claritySteve French2010-02-241-1/+1
| | | | | | | | | | | | Jeff correctly noted that using unsigned ea length is more intuitive. CC: Jeff Lyaton <jlayton@redhat.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
* | [CIFS] Minor cleanup to EA patchSteve French2010-02-231-1/+1
| | | | | | | | | | CC: Jeff Layton <jlayton@redhat.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
* | cifs: merge CIFSSMBQueryEA with CIFSSMBQAllEAsJeff Layton2010-02-231-167/+47
| | | | | | | | | | | | | | | | | | | | Add an "ea_name" parameter to CIFSSMBQAllEAs. When it's set make it behave like CIFSSMBQueryEA does now. The current callers of CIFSSMBQueryEA are converted to use CIFSSMBQAllEAs, and the old CIFSSMBQueryEA function is removed. Signed-off-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
* | cifs: verify lengths of QueryAllEAs replyJeff Layton2010-02-231-18/+31
| | | | | | | | | | | | | | | | Make sure the lengths in a QUERY_ALL_EAS reply don't make the parser walk off the end of the SMB. Signed-off-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
* | cifs: increase maximum buffer size in CIFSSMBQAllEAsJeff Layton2010-02-231-1/+1
| | | | | | | | | | | | | | | | It's 4000 now, but there's no reason to limit it to that. We should be able to handle a response up to CIFSMaxBufSize. Signed-off-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
* | cifs: rename name_len to list_len in CIFSSMBQAllEAsJeff Layton2010-02-231-19/+19
| | | | | | | | | | | | | | ...for clarity and so we can reuse the name for the real name_len. Signed-off-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
* | cifs: clean up indentation in CIFSSMBQAllEAsJeff Layton2010-02-231-76/+75
|/ | | | | | | | Add a label that we can goto on error, and reduce some of the if/then/else indentation in this function. Signed-off-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
* cifs: convert oplock breaks to use slow_work facility (try #4)Jeff Layton2009-09-241-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This is the fourth respin of the patch to convert oplock breaks to use the slow_work facility. A customer of ours was testing a backport of one of the earlier patchsets, and hit a "Busy inodes after umount..." problem. An oplock break job had raced with a umount, and the superblock got torn down and its memory reused. When the oplock break job tried to dereference the inode->i_sb, the kernel oopsed. This patchset has the oplock break job hold an inode and vfsmount reference until the oplock break completes. With this, there should be no need to take a tcon reference (the vfsmount implicitly holds one already). Currently, when an oplock break comes in there's a chance that the oplock break job won't occur if the allocation of the oplock_q_entry fails. There are also some rather nasty races in the allocation and handling these structs. Rather than allocating oplock queue entries when an oplock break comes in, add a few extra fields to the cifsFileInfo struct. Get rid of the dedicated cifs_oplock_thread as well and queue the oplock break job to the slow_work thread pool. This approach also has the advantage that the oplock break jobs can potentially run in parallel rather than be serialized like they are today. Signed-off-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
* cifs: consolidate reconnect logic in smb_init routinesJeff Layton2009-09-031-189/+123
| | | | | | | | | There's a large cut and paste chunk of code in smb_init and small_smb_init to handle reconnects. Break it out into a separate function, clean it up and have both routines call it. Signed-off-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
* [CIFS] potential NULL dereference in parse_DFS_referrals()Steve French2009-08-311-0/+4
| | | | | | | | | memory allocation may fail, prevent a NULL dereference Pointed out by Roel Kluin CC: Roel Kluin <roel.kluin@gmail.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
* [CIFS] Distinguish posix opens and mkdirs from legacy mkdirs in statsSteve French2009-07-101-1/+4
| | | | | Acked-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
* cifs: add and use CIFSSMBUnixSetFileInfo for setattr callsJeff Layton2009-07-091-0/+63
| | | | | | | | | | | | cifs: add and use CIFSSMBUnixSetFileInfo for setattr calls When there's an open filehandle, SET_FILE_INFO is apparently preferred over SET_PATH_INFO. Add a new variant that sets a FILE_UNIX_INFO_BASIC infolevel via SET_FILE_INFO and switch cifs_setattr_unix to use the new call when there's an open filehandle available. Signed-off-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
* cifs: make a separate function for filling out FILE_UNIX_BASIC_INFOJeff Layton2009-07-091-32/+42
| | | | | | | | | | cifs: make a separate function for filling out FILE_UNIX_BASIC_INFO The SET_FILE_INFO variant will need to do the same thing here. Break this code out into a separate function that both variants can call. Signed-off-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
* cifs: rename CIFSSMBUnixSetInfo to CIFSSMBUnixSetPathInfoJeff Layton2009-07-091-3/+3
| | | | | | | | | cifs: rename CIFSSMBUnixSetInfo to CIFSSMBUnixSetPathInfo ...in preparation of adding a SET_FILE_INFO variant. Signed-off-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
* [CIFS] cleanup asn handling for ntlmsspSteve French2009-06-251-1/+1
| | | | | | | | | | | Also removes obsolete distinction between rawntlmssp and ntlmssp (in asn/SPNEGO) since as jra noted we can always send raw ntlmssp in session setup now. remove check for experimental runtime flag (/proc/fs/cifs/Experimental) in ntlmssp path. Reviewed-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
* [CIFS] Do not send tree disconnect if session is already disconnectedSteve French2009-06-251-1/+1
| | | | | | | | | | Noticed this when tree connect timed out (due to Samba server crash) - we try to send a tree disconnect for a tid that does not exist since we don't have a valid tree id yet. This checks that the session is valid before sending the tree disconnect to handle this case. Signed-off-by: Steve French <sfrench@us.ibm.com>
* cifs: make cnvrtDosUnixTm take a little-endian args and an offsetJeff Layton2009-05-281-2/+2
| | | | | | | | | | | The callers primarily end up converting the args from le anyway. Also, most of the callers end up needing to add an offset to the result. The exception to these rules is cnvrtDosCifsTm, but there are no callers of that function, so we might as well remove it. Signed-off-by: Jeff Layton <jlayton@redhat.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Steve French <sfrench@us.ibm.com>
* cifs: fix artificial limit on reading symlinksJeff Layton2009-05-261-2/+1
| | | | | | | | | | | | | | There's no reason to limit the size of a symlink that we can read to 4000 bytes. That may be nowhere near PATH_MAX if the server is sending UCS2 strings. CIFS should be able to read in a symlink up to the size of the buffer. The size of the header has already been accounted for when creating the slabcache, so CIFSMaxBufSize should be the correct size to pass in. Fixes samba bug #6384. Signed-off-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
* cifs: fix pointer initialization and checks in cifs_follow_symlink (try #4)Jeff Layton2009-05-191-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | This is the third respin of the patch posted yesterday to fix the error handling in cifs_follow_symlink. It also includes a fix for a bogus NULL pointer check in CIFSSMBQueryUnixSymLink that Jeff Moyer spotted. It's possible for CIFSSMBQueryUnixSymLink to return without setting target_path to a valid pointer. If that happens then the current value to which we're initializing this pointer could cause an oops when it's kfree'd. This patch is a little more comprehensive than the last patches. It reorganizes cifs_follow_link a bit for (hopefully) better readability. It should also eliminate the uneeded allocation of full_path on servers without unix extensions (assuming they can get to this point anyway, of which I'm not convinced). On a side note, I'm not sure I agree with the logic of enabling this query even when unix extensions are disabled on the client. It seems like that should disable this as well. But, changing that is outside the scope of this fix, so I've left it alone for now. Reported-by: Jeff Moyer <jmoyer@redhat.com> Signed-off-by: Jeff Layton <jlayton@redhat.com> Reviewed-by: Jeff Moyer <jmoyer@redhat.com> Reviewed-by: Christoph Hellwig <hch@inraded.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
* cifs: fix error handling in parse_DFS_referralsJeff Layton2009-05-141-8/+4
| | | | | | | cifs_strndup_from_ucs returns NULL on error, not an ERR_PTR Signed-off-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
* [CIFS] Allow raw ntlmssp code to be enabled with sec=ntlmsspSteve French2009-05-061-0/+10
| | | | | | | | | On mount, "sec=ntlmssp" can now be specified to allow "rawntlmssp" security to be enabled during CIFS session establishment/authentication (ntlmssp used to require specifying krb5 which was counterintuitive). Signed-off-by: Steve French <sfrench@us.ibm.com>
* [CIFS] Remove sparse warningSteve French2009-05-021-1/+0
| | | | Signed-off-by: Steve French <sfrench@us.ibm.com>
* [CIFS] remove checkpatch warningSteve French2009-05-021-1/+1
| | | | Signed-off-by: Steve French <sfrench@us.ibm.com>
* [CIFS] Fix final user of old string conversion codeSteve French2009-05-021-42/+38
| | | | Signed-off-by: Steve French <sfrench@us.ibm.com>
* [CIFS] Remove sparse endian warningsSteve French2009-05-011-5/+9
| | | | | | | | | Removes two sparse CHECK_ENDIAN warnings from Jeffs earlier patch, and removes the dead readlink code (after noting where in findfirst we will need to add something like that in the future to handle the newly discovered unexpected error on FindFirst of NTFS symlinks. Signed-off-by: Steve French <sfrench@us.ibm.com>
* [CIFS] rename cifs_strndup to cifs_strndup_from_ucsSteve French2009-04-301-6/+6
| | | | | | | | | | In most cases, cifs_strndup is converting from Unicode (UCS2 / UTF-32) to the configured local code page for the Linux mount (usually UTF8), so Jeff suggested that to make it more clear that cifs_strndup is doing a conversion not just memory allocation and copy, rename the function to including "from_ucs" (ie Unicode) Signed-off-by: Steve French <sfrench@us.ibm.com>
* cifs: change CIFSSMBUnixQuerySymLink to use new helpersJeff Layton2009-04-301-22/+14
| | | | | | | | | | Change CIFSSMBUnixQuerySymLink to use the new unicode helper functions. Also change the calling conventions so that the allocation of the target name buffer is done in CIFSSMBUnixQuerySymLink rather than by the caller. Signed-off-by: Jeff Layton <jlayton@redhat.com> Acked-by: Suresh Jayaraman <sjayaraman@suse.de> Signed-off-by: Steve French <sfrench@us.ibm.com>
* cifs: rename cifs_strlcpy_to_host and make it use new functionsJeff Layton2009-04-301-43/+12
| | | | | | | | | | | Rename cifs_strlcpy_to_host to cifs_strndup since that better describes what this function really does. Then, convert it to use the new string conversion and measurement functions that work in units of bytes rather than wide chars. Signed-off-by: Jeff Layton <jlayton@redhat.com> Acked-by: Suresh Jayaraman <sjayaraman@suse.de> Signed-off-by: Steve French <sfrench@us.ibm.com>
* cifs: add new function to get unicode string length in bytesJeff Layton2009-04-301-23/+2
| | | | | | | | | | | Working in units of words means we do a lot of unnecessary conversion back and forth. Standardize on bytes instead since that's more useful for allocating buffers and such. Also, remove hostlen_fromUCS since the new function has a similar purpose. Signed-off-by: Jeff Layton <jlayton@redhat.com> Acked-by: Suresh Jayaraman <sjayaraman@suse.de> Signed-off-by: Steve French <sfrench@us.ibm.com>
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