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ext4: fix missing ext4_unlock_group in error path 

If we try to free a block which is already freed, the code was
returning without first unlocking the group.

Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
This commit is contained in:
Aneesh Kumar K.V 2008-11-04 09:10:50 -05:00 committed by Theodore Ts'o
parent 2423840ded
commit ae2d9fb18e
1 changed files with 1 additions and 0 deletions
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1
fs/ext4/mballoc.c
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@ -4441,6 +4441,7 @@ ext4_mb_free_metadata(handle_t *handle, struct ext4_buddy *e4b,
else if (block >= (entry->start_blk + entry->count))
n = &(*n)->rb_right;
else {
ext4_unlock_group(sb, group);
ext4_error(sb, __func__,
"Double free of blocks %d (%d %d)\n",
block, entry->start_blk, entry->count);