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Subject[tip:bkl/drivers] nvram: Drop the bkl from non-generic nvram_llseek()
Commit-ID:  9e8ab74ddaa591575f599248080a1f0d917a56ee
Gitweb: http://git.kernel.org/tip/9e8ab74ddaa591575f599248080a1f0d917a56ee
Author: Frederic Weisbecker <fweisbec@gmail.com>
AuthorDate: Fri, 9 Oct 2009 21:27:06 +0200
Committer: Thomas Gleixner <tglx@linutronix.de>
CommitDate: Wed, 14 Oct 2009 17:36:50 +0200

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 | 4 +---
1 files changed, 1 insertions(+), 3 deletions(-)
diff --git a/drivers/char/nvram.c b/drivers/char/nvram.c
index 88cee40..2100a8f 100644
--- a/drivers/char/nvram.c
+++ b/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;
}


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