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authorJeff Layton <jlayton@redhat.com>2012-02-23 09:37:45 -0500
committerSteve French <smfrench@gmail.com>2012-02-27 00:16:26 -0500
commit5bccda0ebc7c0331b81ac47d39e4b920b198b2cd (patch)
tree542363c187479df4124bed5441a7fc66bafc4065 /fs/jbd/checkpoint.c
parent6de2ce423157d06f73d570ef7044f08c2f8697da (diff)
cifs: fix dentry refcount leak when opening a FIFO on lookup
The cifs code will attempt to open files on lookup under certain circumstances. What happens though if we find that the file we opened was actually a FIFO or other special file? Currently, the open filehandle just ends up being leaked leading to a dentry refcount mismatch and oops on umount. Fix this by having the code close the filehandle on the server if it turns out not to be a regular file. While we're at it, change this spaghetti if statement into a switch too. Cc: stable@vger.kernel.org Reported-by: CAI Qian <caiqian@redhat.com> Tested-by: CAI Qian <caiqian@redhat.com> Reviewed-by: Shirish Pargaonkar <shirishpargaonkar@gmail.com> Signed-off-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Steve French <smfrench@gmail.com>
Diffstat (limited to 'fs/jbd/checkpoint.c')
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