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ASoC: amd: fix an IS_ERR() vs NULL bug in probe

Message ID 20210727081756.GA19121@kili
State Accepted
Commit 37108ef45ae9021d23174ce89e76ad41443090bf
Headers show
Series ASoC: amd: fix an IS_ERR() vs NULL bug in probe | expand

Commit Message

Dan Carpenter July 27, 2021, 8:17 a.m. UTC 
The devm_ioremap() function returns NULL on error, it doesn't return
error pointers.

Fixes: e550339ee652 ("ASoC: amd: add vangogh i2s controller driver")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
---
 sound/soc/amd/vangogh/acp5x-i2s.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

Comments

Mark Brown July 27, 2021, 3:46 p.m. UTC | #1 
On Tue, 27 Jul 2021 11:17:56 +0300, Dan Carpenter wrote:
> The devm_ioremap() function returns NULL on error, it doesn't return
> error pointers.

Applied to

   https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.git for-next

Thanks!

[1/1] ASoC: amd: fix an IS_ERR() vs NULL bug in probe
      commit: 37108ef45ae9021d23174ce89e76ad41443090bf

All being well this means that it will be integrated into the linux-next
tree (usually sometime in the next 24 hours) and sent to Linus during
the next merge window (or sooner if it is a bug fix), however if
problems are discovered then the patch may be dropped or reverted.

You may get further e-mails resulting from automated or manual testing
and review of the tree, please engage with people reporting problems and
send followup patches addressing any issues that are reported if needed.

If any updates are required or you are submitting further changes they
should be sent as incremental updates against current git, existing
patches will not be replaced.

Please add any relevant lists and maintainers to the CCs when replying
to this mail.

Thanks,
Mark
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Patch

diff --git a/sound/soc/amd/vangogh/acp5x-i2s.c b/sound/soc/amd/vangogh/acp5x-i2s.c
index 86b37c93c3d2..2705e57eb713 100644
--- a/sound/soc/amd/vangogh/acp5x-i2s.c
+++ b/sound/soc/amd/vangogh/acp5x-i2s.c
@@ -399,8 +399,8 @@  static int acp5x_dai_probe(struct platform_device *pdev)
 	}
 	adata->acp5x_base = devm_ioremap(&pdev->dev, res->start,
 					 resource_size(res));
-	if (IS_ERR(adata->acp5x_base))
-		return PTR_ERR(adata->acp5x_base);
+	if (!adata->acp5x_base)
+		return -ENOMEM;
 
 	adata->master_mode = I2S_MASTER_MODE_ENABLE;
 	dev_set_drvdata(&pdev->dev, adata);