From b486742a12a474a01d1acb1a5924af11d9b32b68 Mon Sep 17 00:00:00 2001
From: Jose Alonso <joalonsof@gmail.com>
Date: Sun, 10 Jul 2011 15:46:51 -0300
Subject: [PATCH] dell-laptop - using buffer without mutex_lock
Using buffer->output[1] without mutex_lock()
Signed-off-by: Jose Alonso <joalonsof@gmail.com>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
---
drivers/platform/x86/dell-laptop.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/platform/x86/dell-laptop.c b/drivers/platform/x86/dell-laptop.c
index 04c34f1a265c..e39ab1d3ed87 100644
--- a/drivers/platform/x86/dell-laptop.c
+++ b/drivers/platform/x86/dell-laptop.c
@@ -540,11 +540,11 @@ static int dell_get_intensity(struct backlight_device *bd)
else
dell_send_request(buffer, 0, 1);
+ ret = buffer->output[1];
+
out:
release_buffer();
- if (ret)
- return ret;
- return buffer->output[1];
+ return ret;
}
static const struct backlight_ops dell_ops = {
--
GitLab