Changeset 37be841 in mainline for kernel/generic/src/ipc/irq.c

Timestamp:

2009-04-06T15:44:11Z (15 years ago)

Author:

Martin Decky <martin@…>

Branches:

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

Children:

b014e9f

Parents:

44814b8

Message:

avoid deadlock during cleanup
(the compare function which is called inside hash_table_remove acquires irq→lock)

File:

• kernel/generic/src/ipc/irq.c (modified) (1 diff)

kernel/generic/src/ipc/irq.c

@@ -292 +292 @@
                 list_remove(&irq->notif_cfg.link);
                 
+                /* Free up the pseudo code and associated structures. */
+                code_free(irq->notif_cfg.code);
+                
+                spinlock_unlock(&irq->lock);
+                
                 /* Remove from the hash table. */
                 hash_table_remove(&irq_uspace_hash_table, key, 2);
                 
-                /* Free up the pseudo code and associated structures. */
-                code_free(irq->notif_cfg.code);
-                
-                spinlock_unlock(&irq->lock);
                 free(irq);
         }