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[PATCH] ext3_clear_inode(): avoid kfree(NULL) 

Steven Rostedt <rostedt@goodmis.org> points out that `rsv' here is usually
NULL, so we should avoid calling kfree().

Also, fix up some nearby whitespace damage.

Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
hifive-unleashed-5.1
Andrew Morton 2006-06-23 02:05:32 -07:00 committed by Linus Torvalds
parent 304c4c841a
commit e6022603b9
1 changed files with 12 additions and 11 deletions
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23
fs/ext3/super.c
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@ -499,20 +499,21 @@ static void ext3_clear_inode(struct inode *inode)
{
struct ext3_block_alloc_info *rsv = EXT3_I(inode)->i_block_alloc_info;
#ifdef CONFIG_EXT3_FS_POSIX_ACL
if (EXT3_I(inode)->i_acl &&
EXT3_I(inode)->i_acl != EXT3_ACL_NOT_CACHED) {
posix_acl_release(EXT3_I(inode)->i_acl);
EXT3_I(inode)->i_acl = EXT3_ACL_NOT_CACHED;
}
if (EXT3_I(inode)->i_default_acl &&
EXT3_I(inode)->i_default_acl != EXT3_ACL_NOT_CACHED) {
posix_acl_release(EXT3_I(inode)->i_default_acl);
EXT3_I(inode)->i_default_acl = EXT3_ACL_NOT_CACHED;
}
if (EXT3_I(inode)->i_acl &&
EXT3_I(inode)->i_acl != EXT3_ACL_NOT_CACHED) {
posix_acl_release(EXT3_I(inode)->i_acl);
EXT3_I(inode)->i_acl = EXT3_ACL_NOT_CACHED;
}
if (EXT3_I(inode)->i_default_acl &&
EXT3_I(inode)->i_default_acl != EXT3_ACL_NOT_CACHED) {
posix_acl_release(EXT3_I(inode)->i_default_acl);
EXT3_I(inode)->i_default_acl = EXT3_ACL_NOT_CACHED;
}
#endif
ext3_discard_reservation(inode);
EXT3_I(inode)->i_block_alloc_info = NULL;
kfree(rsv);
if (unlikely(rsv))
kfree(rsv);
}
static inline void ext3_show_quota_options(struct seq_file *seq, struct super_block *sb)