[PATCH] drivers/char/nvram: Restore #include <linux/smp_lock.h>

[Joe Perches]

Commit 8587b33f4adee4e7614ea7f443346c3b6bb5427a removed
the include, but it's still required for a different
lock_kernel/unlock_kernel pair in nvram_open

Compiled: x86/defconfig

Signed-off-by: Joe Perches <joe@xxxxxxxxxxx>
---
diff --git a/drivers/char/nvram.c b/drivers/char/nvram.c
index 2100a8f..3cfa0f6 100644
--- a/drivers/char/nvram.c
+++ b/drivers/char/nvram.c
@@ -38,6 +38,7 @@
 #define NVRAM_VERSION	"1.3"
 
 #include <linux/module.h>
+#include <linux/smp_lock.h>
 #include <linux/nvram.h>
 
 #define PC		1


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