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authorJan Harkes <jaharkes@cs.cmu.edu>2007-07-19 01:48:48 -0700
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-07-19 10:04:48 -0700
commit970648eb03cca7d7405f9a3a5d3fe29929e48aa6 (patch)
tree17553f81097b3a29214c9b9535609fc45b6f98bf
parent37461e1957e6262278342a0c1a78e46996b7ff88 (diff)
downloadblackbird-op-linux-970648eb03cca7d7405f9a3a5d3fe29929e48aa6.tar.gz
blackbird-op-linux-970648eb03cca7d7405f9a3a5d3fe29929e48aa6.zip
coda: ignore returned values when upcalls return errors
Venus returns an ENOENT error on open, so we shouldn't try to grab the filehandle for the returned fd. Signed-off-by: Jan Harkes <jaharkes@cs.cmu.edu> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
-rw-r--r--fs/coda/upcall.c59
1 files changed, 27 insertions, 32 deletions
diff --git a/fs/coda/upcall.c b/fs/coda/upcall.c
index 330de7dbdcf8..097dbb2fd6f5 100644
--- a/fs/coda/upcall.c
+++ b/fs/coda/upcall.c
@@ -84,12 +84,8 @@ int venus_rootfid(struct super_block *sb, struct CodaFid *fidp)
UPARG(CODA_ROOT);
error = coda_upcall(coda_sbp(sb), insize, &outsize, inp);
-
- if (error) {
- printk("coda_get_rootfid: error %d\n", error);
- } else {
+ if (!error)
*fidp = outp->coda_root.VFid;
- }
CODA_FREE(inp, insize);
return error;
@@ -106,9 +102,9 @@ int venus_getattr(struct super_block *sb, struct CodaFid *fid,
UPARG(CODA_GETATTR);
inp->coda_getattr.VFid = *fid;
- error = coda_upcall(coda_sbp(sb), insize, &outsize, inp);
-
- *attr = outp->coda_getattr.attr;
+ error = coda_upcall(coda_sbp(sb), insize, &outsize, inp);
+ if (!error)
+ *attr = outp->coda_getattr.attr;
CODA_FREE(inp, insize);
return error;
@@ -153,10 +149,11 @@ int venus_lookup(struct super_block *sb, struct CodaFid *fid,
memcpy((char *)(inp) + offset, name, length);
*((char *)inp + offset + length) = '\0';
- error = coda_upcall(coda_sbp(sb), insize, &outsize, inp);
-
- *resfid = outp->coda_lookup.VFid;
- *type = outp->coda_lookup.vtype;
+ error = coda_upcall(coda_sbp(sb), insize, &outsize, inp);
+ if (!error) {
+ *resfid = outp->coda_lookup.VFid;
+ *type = outp->coda_lookup.vtype;
+ }
CODA_FREE(inp, insize);
return error;
@@ -278,11 +275,12 @@ int venus_mkdir(struct super_block *sb, struct CodaFid *dirfid,
/* Venus must get null terminated string */
memcpy((char *)(inp) + offset, name, length);
*((char *)inp + offset + length) = '\0';
-
- error = coda_upcall(coda_sbp(sb), insize, &outsize, inp);
- *attrs = outp->coda_mkdir.attr;
- *newfid = outp->coda_mkdir.VFid;
+ error = coda_upcall(coda_sbp(sb), insize, &outsize, inp);
+ if (!error) {
+ *attrs = outp->coda_mkdir.attr;
+ *newfid = outp->coda_mkdir.VFid;
+ }
CODA_FREE(inp, insize);
return error;
@@ -348,11 +346,12 @@ int venus_create(struct super_block *sb, struct CodaFid *dirfid,
/* Venus must get null terminated string */
memcpy((char *)(inp) + offset, name, length);
*((char *)inp + offset + length) = '\0';
-
- error = coda_upcall(coda_sbp(sb), insize, &outsize, inp);
- *attrs = outp->coda_create.attr;
- *newfid = outp->coda_create.VFid;
+ error = coda_upcall(coda_sbp(sb), insize, &outsize, inp);
+ if (!error) {
+ *attrs = outp->coda_create.attr;
+ *newfid = outp->coda_create.VFid;
+ }
CODA_FREE(inp, insize);
return error;
@@ -417,19 +416,18 @@ int venus_readlink(struct super_block *sb, struct CodaFid *fid,
UPARG(CODA_READLINK);
inp->coda_readlink.VFid = *fid;
-
- error = coda_upcall(coda_sbp(sb), insize, &outsize, inp);
-
- if (! error) {
- retlen = outp->coda_readlink.count;
+
+ error = coda_upcall(coda_sbp(sb), insize, &outsize, inp);
+ if (!error) {
+ retlen = outp->coda_readlink.count;
if ( retlen > *length )
- retlen = *length;
+ retlen = *length;
*length = retlen;
result = (char *)outp + (long)outp->coda_readlink.data;
memcpy(buffer, result, retlen);
*(buffer + retlen) = '\0';
}
-
+
CODA_FREE(inp, insize);
return error;
}
@@ -617,16 +615,13 @@ int venus_statfs(struct dentry *dentry, struct kstatfs *sfs)
insize = max_t(unsigned int, INSIZE(statfs), OUTSIZE(statfs));
UPARG(CODA_STATFS);
- error = coda_upcall(coda_sbp(dentry->d_sb), insize, &outsize, inp);
-
- if (!error) {
+ error = coda_upcall(coda_sbp(dentry->d_sb), insize, &outsize, inp);
+ if (!error) {
sfs->f_blocks = outp->coda_statfs.stat.f_blocks;
sfs->f_bfree = outp->coda_statfs.stat.f_bfree;
sfs->f_bavail = outp->coda_statfs.stat.f_bavail;
sfs->f_files = outp->coda_statfs.stat.f_files;
sfs->f_ffree = outp->coda_statfs.stat.f_ffree;
- } else {
- printk("coda_statfs: Venus returns: %d\n", error);
}
CODA_FREE(inp, insize);
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