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path: root/drivers/xen/xenbus/xenbus_dev_frontend.c
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* xen: Convert printks to pr_<level>Joe Perches2013-06-281-1/+3
| | | | | | | | | | | | | | | | | Convert printks to pr_<level> (excludes printk(KERN_DEBUG...) to be more consistent throughout the xen subsystem. Add pr_fmt with KBUILD_MODNAME or "xen:" KBUILD_MODNAME Coalesce formats and add missing word spaces Add missing newlines Align arguments and reflow to 80 columns Remove DRV_NAME from formats as pr_fmt adds the same content This does change some of the prefixes of these messages but it also does make them more consistent. Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
* xen/xenbus: fix overflow check in xenbus_file_write()Jan Beulich2012-10-301-1/+1
| | | | | | | | Acked-by: Ian Campbell <ian.campbell@citrix.com> Reported-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Jan Beulich <jbeulich@suse.com> [v1: Rebased on upstream] Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
* xenbus_dev: add missing error check to watch handlingJan Beulich2012-02-031-0/+4
| | | | | | | | So far only the watch path was checked to be zero terminated, while the watch token was merely assumed to be. Signed-off-by: Jan Beulich <jbeulich@suse.com> Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
* xenbus: maximum buffer size is XENSTORE_PAYLOAD_MAXIan Campbell2012-01-041-1/+1
| | | | | | | | | | | | Use this now that it is defined even though it happens to be == PAGE_SIZE. The code which takes requests from userspace already validates against the size of this buffer so no further checks are required to ensure that userspace requests comply with the protocol in this respect. Signed-off-by: Ian Campbell <ian.campbell@citrix.com> Cc: Haogang Chen <haogangchen@gmail.com> Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
* xen/xenbus-frontend: Fix compile error with randconfigKonrad Rzeszutek Wilk2011-12-201-0/+1
| | | | | | | | drivers/xen/xenbus/xenbus_dev_frontend.c: In function 'xenbus_init': drivers/xen/xenbus/xenbus_dev_frontend.c:609:2: error: implicit declaration of function 'xen_domain' Reported-by: Randy Dunlap <rdunlap@xenotime.net> Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
* xen/xenbus-frontend: Make error message more clearBastian Blank2011-12-161-1/+1
| | | | | | | | | Add the work frontend to the error message because we now also have a backend device. Signed-off-by: Bastian Blank <waldi@debian.org> Acked-by: Ian Campbell <ian.campbell@citrix.com> Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
* xen: Add xenbus device driverBastian Blank2011-12-161-0/+624
Access to xenbus is currently handled via xenfs. This adds a device driver for xenbus and makes xenfs use this code. Signed-off-by: Bastian Blank <waldi@debian.org> Acked-by: Ian Campbell <ian.campbell@citrix.com> Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
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