* [PATCH] backlight: lp855x_bl: Add missing mutex_unlock in lp855x_read_byte error path
@ 2012-02-01 10:38 Axel Lin
2012-02-02 1:20 ` Kim, Milo
0 siblings, 1 reply; 2+ messages in thread
From: Axel Lin @ 2012-02-01 10:38 UTC (permalink / raw)
To: linux-kernel; +Cc: Richard Purdie, Milo(Woogyom) Kim, Andrew Morton
Signed-off-by: Axel Lin <axel.lin@gmail.com>
---
drivers/video/backlight/lp855x_bl.c | 1 +
1 files changed, 1 insertions(+), 0 deletions(-)
diff --git a/drivers/video/backlight/lp855x_bl.c b/drivers/video/backlight/lp855x_bl.c
index 8f628b8..8bd0d75 100644
--- a/drivers/video/backlight/lp855x_bl.c
+++ b/drivers/video/backlight/lp855x_bl.c
@@ -41,6 +41,7 @@ static int lp855x_read_byte(struct lp855x *lp, u8 reg, u8 *data)
mutex_lock(&lp->xfer_lock);
ret = i2c_smbus_read_byte_data(lp->client, reg);
if (ret < 0) {
+ mutex_unlock(&lp->xfer_lock);
dev_err(lp->dev, "failed to read 0x%.2x\n", reg);
return ret;
}
--
1.7.5.4
^ permalink raw reply related [flat|nested] 2+ messages in thread
* RE: [PATCH] backlight: lp855x_bl: Add missing mutex_unlock in lp855x_read_byte error path
2012-02-01 10:38 [PATCH] backlight: lp855x_bl: Add missing mutex_unlock in lp855x_read_byte error path Axel Lin
@ 2012-02-02 1:20 ` Kim, Milo
0 siblings, 0 replies; 2+ messages in thread
From: Kim, Milo @ 2012-02-02 1:20 UTC (permalink / raw)
To: Axel Lin; +Cc: Richard Purdie, Andrew Morton, linux-kernel
[-- Warning: decoded text below may be mangled, UTF-8 assumed --]
[-- Attachment #1: Type: text/plain; charset=utf-8, Size: 590 bytes --]
> -----Original Message-----
> From: Axel Lin [mailto:axel.lin@gmail.com]
> Sent: Wednesday, February 01, 2012 7:38 PM
> To: linux-kernel@vger.kernel.org
> Cc: Richard Purdie; Kim, Milo; Andrew Morton
> Subject: [PATCH] backlight: lp855x_bl: Add missing mutex_unlock in
> lp855x_read_byte error path
>
> Signed-off-by: Axel Lin <axel.lin@gmail.com>
Acked-by: Milo(Woogyom) Kim <milo.kim@ti.com>
Thanks !
Best Regards,
Milo -
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