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fs/fscache/stats.c: fix memory leak

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There is a kernel memory leak observed when the proc file
/proc/fs/fscache/stats is read.

The reason is that in fscache_stats_open, single_open is called and the
respective release function is not called during release.  Hence fix
with correct release function - single_release().

Addresses https://bugzilla.kernel.org/show_bug.cgi?id=57101

Signed-off-by: Anurup m <anurup.m@huawei.com>
Cc: shyju pv <shyju.pv@huawei.com>
Cc: Sanil kumar <sanil.kumar@huawei.com>
Cc: Nataraj m <nataraj.m@huawei.com>
Cc: Li Zefan <lizefan@huawei.com>
Cc: David Howells <dhowells@redhat.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Anurup m 2013-04-29 15:05:52 -07:00 committed by Linus Torvalds
parent ee8ad7261c
commit ec686c9239
1 changed files with 1 additions and 1 deletions
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2
fs/fscache/stats.c
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@ -287,5 +287,5 @@ const struct file_operations fscache_stats_fops = {
.open = fscache_stats_open, .open = fscache_stats_open,
.read = seq_read, .read = seq_read,
.llseek = seq_lseek, .llseek = seq_lseek,
.release = seq_release, .release = single_release,
}; };