Commit ae2d9fb1 authored by Aneesh Kumar K.V's avatar Aneesh Kumar K.V Committed by Theodore Ts'o
Browse files

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: default avatarAneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: default avatar"Theodore Ts'o" <tytso@mit.edu>
parent 2423840d

fs/ext4/mballoc.c

+1 −0
Original line number Diff line number Diff line
@@ -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);