nvram: Drop the bkl from non-generic nvram_llseek()

Drop the bkl from nvram_llseek() as it obviously protects nothing.
The file offset is safe in essence.
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
LKML-Reference: <1255116426-7270-1-git-send-email-fweisbec@gmail.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

drivers/char/nvram.c

@@ -38,7 +38,6 @@
 #define NVRAM_VERSION	"1.3"
 
 #include <linux/module.h>
-#include <linux/smp_lock.h>
 #include <linux/nvram.h>
 
 #define PC		1
@@ -214,7 +213,6 @@ void nvram_set_checksum(void)
 
 static loff_t nvram_llseek(struct file *file, loff_t offset, int origin)
 {
-	lock_kernel();
 	switch (origin) {
 	case 0:
 		/* nothing to do */
@@ -226,7 +224,7 @@ static loff_t nvram_llseek(struct file *file, loff_t offset, int origin)
 		offset += NVRAM_BYTES;
 		break;
 	}
-	unlock_kernel();
+
 	return (offset >= 0) ? (file->f_pos = offset) : -EINVAL;
 }