Changeset e6bc3a5 in mainline for uspace/srv/fs/fat/fat_ops.c

Timestamp:

2009-10-01T09:41:33Z (15 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

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

Children:

17bf658

Parents:

3a8faba

Message:

fat_node_get_core() needs to take the ffn_mutex before it manipulates the
ffn_head list.

File:

• uspace/srv/fs/fat/fat_ops.c (modified) (1 diff)

uspace/srv/fs/fat/fat_ops.c

@@ -185 +185 @@
                  */
                 fibril_mutex_lock(&idxp->nodep->lock);
-                if (!idxp->nodep->refcnt++)
+                if (!idxp->nodep->refcnt++) {
+                        fibril_mutex_lock(&ffn_mutex);
                         list_remove(&idxp->nodep->ffn_link);
+                        fibril_mutex_unlock(&ffn_mutex);
+                }
                 fibril_mutex_unlock(&idxp->nodep->lock);
                 return idxp->nodep;