projects / linux.git / commit
? search:
summary | shortlog | log | commit | commitdiff | tree
(parent: 8c71fa8) | patch
xen/pvcalls: Fix a check in pvcalls_front_remove()
authorDan Carpenter <dan.carpenter@oracle.com>
Tue, 5 Dec 2017 14:38:54 +0000 (17:38 +0300)
committerBoris Ostrovsky <boris.ostrovsky@oracle.com>
Wed, 6 Dec 2017 14:44:49 +0000 (09:44 -0500)
commit1ab134ca3151c55b6fc606857e71d9adb4c355d1
tree4bea89c63575dae543fdca0f8043ef6cc50b017ftree | snapshot
parent8c71fa88f7778eb093ee22cba13a3813a82113adcommit | diff
xen/pvcalls: Fix a check in pvcalls_front_remove()

bedata->ref can't be less than zero because it's unsigned.  This affects
certain error paths in probe.  We first set ->ref = -1 and then we set
it to a valid value later.

Fixes: 219681909913 ("xen/pvcalls: connect to the backend")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Juergen Gross <jgross@suse.com>
Reviewed-by: Stefano Stabellini <sstabellini@kernel.org>
Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
drivers/xen/pvcalls-front.c diff | blob | blame | history
Linux Project Source (from git://github.com/torvalds/linux)