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| author | Thomas Gleixner <tglx@linutronix.de> | 2009-08-16 21:05:08 +0000 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2009-09-24 07:47:42 -0400 |
| commit | 6d729e44a55547c009d7a87ea66bff21a8e0afea (patch) | |
| tree | c27e69babb9b397ad56cb20a935b75c35ceb364f /fs/hfsplus/super.c | |
| parent | 4504230a71566785a05d3e6b53fa1ee071b864eb (diff) | |
| download | linux-6d729e44a55547c009d7a87ea66bff21a8e0afea.tar.gz linux-6d729e44a55547c009d7a87ea66bff21a8e0afea.tar.bz2 linux-6d729e44a55547c009d7a87ea66bff21a8e0afea.zip | |
fs: Make unload_nls() NULL pointer safe
Most call sites of unload_nls() do:
if (nls)
unload_nls(nls);
Check the pointer inside unload_nls() like we do in kfree() and
simplify the call sites.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Steve French <sfrench@us.ibm.com>
Cc: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
Cc: Roman Zippel <zippel@linux-m68k.org>
Cc: Dave Kleikamp <shaggy@linux.vnet.ibm.com>
Cc: Petr Vandrovec <vandrove@vc.cvut.cz>
Cc: Anton Altaparmakov <aia21@cantab.net>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs/hfsplus/super.c')
| -rw-r--r-- | fs/hfsplus/super.c | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/fs/hfsplus/super.c b/fs/hfsplus/super.c index c0759fe0855b..43022f3d5148 100644 --- a/fs/hfsplus/super.c +++ b/fs/hfsplus/super.c @@ -229,8 +229,7 @@ static void hfsplus_put_super(struct super_block *sb) iput(HFSPLUS_SB(sb).alloc_file); iput(HFSPLUS_SB(sb).hidden_dir); brelse(HFSPLUS_SB(sb).s_vhbh); - if (HFSPLUS_SB(sb).nls) - unload_nls(HFSPLUS_SB(sb).nls); + unload_nls(HFSPLUS_SB(sb).nls); kfree(sb->s_fs_info); sb->s_fs_info = NULL; @@ -464,8 +463,7 @@ out: cleanup: hfsplus_put_super(sb); - if (nls) - unload_nls(nls); + unload_nls(nls); return err; } |