Check ext4_journal_get_write_access() errors.
Signed-off-by: Akinobu Mita <akinobu.mita@xxxxxxxxx>
Cc: Stephen Tweedie <sct@xxxxxxxxxx>
Cc: adilger@xxxxxxxxxxxxx
Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Cc: Mingming Cao <cmm@xxxxxxxxxx>
Cc: Theodore Tso <tytso@xxxxxxx>
---
fs/ext4/namei.c | 9 +++++++--
1 file changed, 7 insertions(+), 2 deletions(-)
Index: 2.6-rc/fs/ext4/namei.c
===================================================================
--- 2.6-rc.orig/fs/ext4/namei.c
+++ 2.6-rc/fs/ext4/namei.c
@@ -57,10 +57,15 @@ static struct buffer_head *ext4_append(h
*block = inode->i_size >> inode->i_sb->s_blocksize_bits;
- if ((bh = ext4_bread(handle, inode, *block, 1, err))) {
+ bh = ext4_bread(handle, inode, *block, 1, err);
+ if (bh) {
inode->i_size += inode->i_sb->s_blocksize;
EXT4_I(inode)->i_disksize = inode->i_size;
- ext4_journal_get_write_access(handle,bh);
+ *err = ext4_journal_get_write_access(handle, bh);
+ if (*err) {
+ brelse(bh);
+ bh = NULL;
+ }
}
return bh;
}
-
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