3.16-stable review patch. If anyone has any objections, please let me know.
------------------
From: Theodore Ts'o <tytso@xxxxxxx>
commit a9cfcd63e8d206ce4235c355d857c4fbdf0f4587 upstream.
Thanks to Dan Carpenter for extending smatch to find bugs like this.
(This was found using a development version of smatch.)
Fixes: 36de928641ee48b2078d3fe9514242aaa2f92013
Reported-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx
Signed-off-by: Theodore Ts'o <tytso@xxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
fs/ext4/namei.c | 2 ++
fs/ext4/resize.c | 2 ++
2 files changed, 4 insertions(+)
--- a/fs/ext4/namei.c
+++ b/fs/ext4/namei.c
@@ -3240,6 +3240,7 @@ static int ext4_rename(struct inode *old
&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 inod
&new.de, &new.inlined);
if (IS_ERR(new.bh)) {
retval = PTR_ERR(new.bh);
+ new.bh = NULL;
goto end_rename;
}
--- a/fs/ext4/resize.c
+++ b/fs/ext4/resize.c
@@ -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;
}
--
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