Changeset 7a56b1ed in mainline for uspace/lib/libblock/libblock.c

Timestamp:

2009-09-01T21:16:20Z (15 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

cd3e6a2, cffce57

Parents:

4f690cd

Message:

Out of memory condition in block_get() can be handled by returning ENOMEM.

File:

• uspace/lib/libblock/libblock.c (modified) (2 diffs)

uspace/lib/libblock/libblock.c

@@ -383 +383 @@
                         unsigned long temp_key;
 recycle:
-                        assert(!list_empty(&cache->free_head));
+                        if (list_empty(&cache->free_head)) {
+                                fibril_mutex_unlock(&cache->lock);
+                                rc = ENOMEM;
+                                goto out;
+                        }
                         l = cache->free_head.next;
                         b = list_get_instance(l, block_t, free_link);
@@ -468 +472 @@
                 fibril_mutex_unlock(&b->lock);
         }
+out:
         if ((rc != EOK) && b) {
                 assert(b->toxic);