All of lore.kernel.org
 help / color / mirror / Atom feed
From: Dan Carpenter <error27@gmail.com>
To: linux-fbdev@vger.kernel.org
Subject: [patch] backlight/pcf50633: check for NULL consistently in
Date: Tue, 29 Mar 2011 03:20:20 +0000	[thread overview]
Message-ID: <20110329032020.GD9856@bicker> (raw)

We checked "pdata" for NULL at the start of the function so we should
check it here as well.

Signed-off-by: Dan Carpenter <error27@gmail.com>
---
Compile tested only.  Please review.

diff --git a/drivers/video/backlight/pcf50633-backlight.c b/drivers/video/backlight/pcf50633-backlight.c
index ef5628d..0fe934f 100644
--- a/drivers/video/backlight/pcf50633-backlight.c
+++ b/drivers/video/backlight/pcf50633-backlight.c
@@ -136,7 +136,9 @@ static int __devinit pcf50633_bl_probe(struct platform_device *pdev)
 
 	platform_set_drvdata(pdev, pcf_bl);
 
-	pcf50633_reg_write(pcf_bl->pcf, PCF50633_REG_LEDDIM, pdata->ramp_time);
+	if (pdata)
+		pcf50633_reg_write(pcf_bl->pcf, PCF50633_REG_LEDDIM,
+					pdata->ramp_time);
 
 	/* Should be different from bl_props.brightness, so we do not exit
 	 * update_status early the first time it's called */

             reply	other threads:[~2011-03-29  3:20 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-03-29  3:20 Dan Carpenter [this message]
2011-03-29 11:19 ` [patch] backlight/pcf50633: check for NULL consistently in pcf50633_bl_probe() Lars-Peter Clausen

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20110329032020.GD9856@bicker \
    --to=error27@gmail.com \
    --cc=linux-fbdev@vger.kernel.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.