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| author | Xiaotian Feng <xtfeng@gmail.com> | 2012-11-16 14:14:55 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2012-11-16 14:33:04 -0800 |
| commit | f58b59c1df3cb990d644018e1461cd4acd3c1700 (patch) | |
| tree | 7681f5438bac5081ff9b84b3923c610873914972 /mm/swapfile.c | |
| parent | bea8c150a7efbc0f204e709b7274fe273f55e0d3 (diff) | |
| download | lwn-f58b59c1df3cb990d644018e1461cd4acd3c1700.tar.gz lwn-f58b59c1df3cb990d644018e1461cd4acd3c1700.zip | |
swapfile: fix name leak in swapoff
There's a name leak introduced by commit 91a27b2a7567 ("vfs: define
struct filename and have getname() return it"). Add the missing
putname.
[akpm@linux-foundation.org: cleanup]
Signed-off-by: Xiaotian Feng <dannyfeng@tencent.com>
Reviewed-by: Jeff Layton <jlayton@redhat.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/swapfile.c')
| -rw-r--r-- | mm/swapfile.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/mm/swapfile.c b/mm/swapfile.c index 71cd288b2001..f91a25547ffe 100644 --- a/mm/swapfile.c +++ b/mm/swapfile.c @@ -1494,9 +1494,8 @@ SYSCALL_DEFINE1(swapoff, const char __user *, specialfile) BUG_ON(!current->mm); pathname = getname(specialfile); - err = PTR_ERR(pathname); if (IS_ERR(pathname)) - goto out; + return PTR_ERR(pathname); victim = file_open_name(pathname, O_RDWR|O_LARGEFILE, 0); err = PTR_ERR(victim); @@ -1608,6 +1607,7 @@ SYSCALL_DEFINE1(swapoff, const char __user *, specialfile) out_dput: filp_close(victim, NULL); out: + putname(pathname); return err; } |