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Merge branch 'for_linus_urgent' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4

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Pull ext4 bugfix from Ted Ts'o.

[ Hmm.  It's possible we should make kfree() aware of error pointers,
  and use IS_ERR_OR_NULL rather than a NULL check.  But in the meantime
  this is obviously the right fix.  - Linus ]

* 'for_linus_urgent' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4:
  ext4: avoid trying to kfree an ERR_PTR pointer
This commit is contained in:
Linus Torvalds 2014-09-08 15:51:01 -07:00
commit 8c68face55
2 changed files with 4 additions and 0 deletions
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2
fs/ext4/namei.c
View File

@ -3240,6 +3240,7 @@ static int ext4_rename(struct inode *old_dir, struct dentry *old_dentry,
&new.de, &new.inlined);
if (IS_ERR(new.bh)) {
retval = PTR_ERR(new.bh);
new.bh = NULL;
goto end_rename;
}
if (new.bh) {
@ -3386,6 +3387,7 @@ static int ext4_cross_rename(struct inode *old_dir, struct dentry *old_dentry,
&new.de, &new.inlined);
if (IS_ERR(new.bh)) {
retval = PTR_ERR(new.bh);
new.bh = NULL;
goto end_rename;
}

2
fs/ext4/resize.c
View File

@ -575,6 +575,7 @@ handle_bb:
bh = bclean(handle, sb, block);
if (IS_ERR(bh)) {
err = PTR_ERR(bh);
bh = NULL;
goto out;
}
overhead = ext4_group_overhead_blocks(sb, group);
@ -603,6 +604,7 @@ handle_ib:
bh = bclean(handle, sb, block);
if (IS_ERR(bh)) {
err = PTR_ERR(bh);
bh = NULL;
goto out;
}