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authorJoe Perches <joe@perches.com>2018-12-20 23:50:48 -0600
committerSteve French <stfrench@microsoft.com>2018-12-28 10:09:46 -0600
commit0544b324e62c177c3a9e9c3bdce22e6db9f34588 (patch)
tree889b401a257a882a6a4882192b8726e75c87677b /Documentation/filesystems
parent29cbfa1b2be2e51785f871351d321896861f2ce8 (diff)
cifs: check kzalloc return
kzalloc can return NULL so an additional check is needed. While there is a check for ret_buf there is no check for the allocation of ret_buf->crfid.fid - this check is thus added. Both call-sites of tconInfoAlloc() check for NULL return of tconInfoAlloc() so returning NULL on failure of kzalloc() here seems appropriate. As the kzalloc() is the only thing here that can fail it is moved to the beginning so as not to initialize other resources on failure of kzalloc. Fixes: 3d4ef9a15343 ("smb3: fix redundant opens on root") Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: Steve French <stfrench@microsoft.com>
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