Merge branch 'core-printk-for-linus' of git://git.kernel.org/pub/scm/…

…linux/kernel/git/tip/tip Pull printk locking fix from Thomas Gleixner: "A single lock ordering fix in the printk code" * 'core-printk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: printk: Fix rq->lock vs logbuf_lock unlock lock inversion
git-mirror · Jul 11, 2013 · 75fcf64 · 75fcf64
2 parents db6e330 + dbda92d
commit 75fcf64
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/kernel/printk.c b/kernel/printk.c
@@ -1369,9 +1369,9 @@ static int console_trylock_for_printk(unsigned int cpu)
 		}
 	}
 	logbuf_cpu = UINT_MAX;
+	raw_spin_unlock(&logbuf_lock);
 	if (wake)
 		up(&console_sem);
-	raw_spin_unlock(&logbuf_lock);
 	return retval;
 }