UBIFS: fix LEB list freeing
When freeing the c->idx_lebs list, we have to release the LEBs as well,
because we might be called from mount to read-only mode code. Otherwise
the LEBs stay taken forever, which may cause problems when we re-mount
back ro RW mode.
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
diff --git a/fs/ubifs/gc.c b/fs/ubifs/gc.c
index b2e5f11..9760154 100644
--- a/fs/ubifs/gc.c
+++ b/fs/ubifs/gc.c
@@ -830,21 +830,29 @@
* ubifs_destroy_idx_gc - destroy idx_gc list.
* @c: UBIFS file-system description object
*
- * This function destroys the idx_gc list. It is called when unmounting or
- * remounting read-only so locks are not needed.
+ * This function destroys the @c->idx_gc list. It is called when unmounting or
+ * remounting read-only so locks are not needed. Returns zero in case of
+ * success and a negative error code in case of failure.
*/
-void ubifs_destroy_idx_gc(struct ubifs_info *c)
+int ubifs_destroy_idx_gc(struct ubifs_info *c)
{
+ int ret = 0;
+
while (!list_empty(&c->idx_gc)) {
+ int err;
struct ubifs_gced_idx_leb *idx_gc;
idx_gc = list_entry(c->idx_gc.next, struct ubifs_gced_idx_leb,
list);
- c->idx_gc_cnt -= 1;
+ err = ubifs_change_one_lp(c, idx_gc->lnum, LPROPS_NC,
+ LPROPS_NC, 0, LPROPS_TAKEN, -1);
+ if (err && !ret)
+ ret = err;
list_del(&idx_gc->list);
kfree(idx_gc);
}
+ return ret;
}
/**