Add semaphore.h to kernel_lock.c

kernel_lock.c uses DECLARE_MUTEX, up() and down() without explicitly including asm/semaphore.h. This is fragile and leaves it vulnerable to breakage during header reorganisations. Signed-off-by: Matthew Wilcox <willy@linux.intel.com>
git-mirror · Apr 17, 2008 · e48b3de · e48b3de
1 parent 8b91de2
commit e48b3de
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/lib/kernel_lock.c b/lib/kernel_lock.c
@@ -8,6 +8,7 @@
 #include <linux/smp_lock.h>
 #include <linux/module.h>
 #include <linux/kallsyms.h>
+#include <asm/semaphore.h>
 
 /*
  * The 'big kernel semaphore'