This is a note to let you know that I've just added the patch titled
ASoC: samsung: s3c24xx-i2s: Fix return value check in s3c24xx_iis_dev_probe()
to the 4.0-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
asoc-samsung-s3c24xx-i2s-fix-return-value-check-in-s3c24xx_iis_dev_probe.patch
and it can be found in the queue-4.0 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From c479163a1b6ab424786fbcd9225b4e3c1c58eb0b Mon Sep 17 00:00:00 2001
From: Wei Yongjun <yongjun_wei@xxxxxxxxxxxxxxxxx>
Date: Thu, 16 Apr 2015 20:18:02 +0800
Subject: ASoC: samsung: s3c24xx-i2s: Fix return value check in s3c24xx_iis_dev_probe()
From: Wei Yongjun <yongjun_wei@xxxxxxxxxxxxxxxxx>
commit c479163a1b6ab424786fbcd9225b4e3c1c58eb0b upstream.
In case of error, the function devm_ioremap_resource() returns
ERR_PTR() and never returns NULL. The NULL test in the return
value check should be replaced with IS_ERR().
Signed-off-by: Wei Yongjun <yongjun_wei@xxxxxxxxxxxxxxxxx>
Reviewed-by: Krzysztof Kozlowski <k.kozlowski.k@xxxxxxxxx>
Signed-off-by: Mark Brown <broonie@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
sound/soc/samsung/s3c24xx-i2s.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
--- a/sound/soc/samsung/s3c24xx-i2s.c
+++ b/sound/soc/samsung/s3c24xx-i2s.c
@@ -461,8 +461,8 @@ static int s3c24xx_iis_dev_probe(struct
return -ENOENT;
}
s3c24xx_i2s.regs = devm_ioremap_resource(&pdev->dev, res);
- if (s3c24xx_i2s.regs == NULL)
- return -ENXIO;
+ if (IS_ERR(s3c24xx_i2s.regs))
+ return PTR_ERR(s3c24xx_i2s.regs);
s3c24xx_i2s_pcm_stereo_out.dma_addr = res->start + S3C2410_IISFIFO;
s3c24xx_i2s_pcm_stereo_in.dma_addr = res->start + S3C2410_IISFIFO;
Patches currently in stable-queue which might be from yongjun_wei@xxxxxxxxxxxxxxxxx are
queue-4.0/asoc-samsung-s3c24xx-i2s-fix-return-value-check-in-s3c24xx_iis_dev_probe.patch
queue-4.0/asoc-tfa9879-fix-return-value-check-in-tfa9879_i2c_probe.patch
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