1 files changed, 1 insertions, 2 deletions

diff --git a/fs/jffs2/wbuf.c b/fs/jffs2/wbuf.c
index 4515bea0268f..a10fb24ca6e6 100644
--- a/fs/jffs2/wbuf.c
+++ b/fs/jffs2/wbuf.c
@@ -578,8 +578,7 @@ static int __jffs2_flush_wbuf(struct jffs2_sb_info *c, int pad)
         if (!jffs2_is_writebuffered(c))
                 return 0;
 
-        if (mutex_trylock(&c->alloc_sem)) {
-                mutex_unlock(&c->alloc_sem);
+        if (!mutex_is_locked(&c->alloc_sem)) {
                 printk(KERN_CRIT "jffs2_flush_wbuf() called with alloc_sem not locked!\n");
                 BUG();
         }