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authorThomas Gleixner <tglx@linutronix.de>2009-08-16 21:05:08 +0000
committerAl Viro <viro@zeniv.linux.org.uk>2009-09-24 07:47:42 -0400
commit6d729e44a55547c009d7a87ea66bff21a8e0afea (patch)
treec27e69babb9b397ad56cb20a935b75c35ceb364f /fs/hfsplus/super.c
parent4504230a71566785a05d3e6b53fa1ee071b864eb (diff)
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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.c6
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;
}