[PATCH] ASoC: Freescale: Delete an error message for a failed memory allocation in three functions

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[PATCH] ASoC: Freescale: Delete an error message for a failed memory allocation in three functions

SF Markus Elfring
From 885ccd6c63291dcd4854a0cbaab5188cdc3db805 Mon Sep 17 00:00:00 2001
From: Markus Elfring <[hidden email]>
Date: Fri, 11 Aug 2017 15:10:43 +0200
Subject: [PATCH] ASoC: Freescale: Delete an error message for a failed memory allocation in three functions

Omit an extra message for a memory allocation failure in these functions.

This issue was detected by using the Coccinelle software.

Link: http://events.linuxfoundation.org/sites/events/files/slides/LCJ16-Refactor_Strings-WSang_0.pdf
Signed-off-by: Markus Elfring <[hidden email]>
---
 sound/soc/fsl/fsl_asrc_dma.c | 4 +---
 sound/soc/fsl/fsl_dma.c      | 1 -
 sound/soc/fsl/fsl_ssi.c      | 4 +---
 3 files changed, 2 insertions(+), 7 deletions(-)

diff --git a/sound/soc/fsl/fsl_asrc_dma.c b/sound/soc/fsl/fsl_asrc_dma.c
index 282d841840b1..2baf19608bd0 100644
--- a/sound/soc/fsl/fsl_asrc_dma.c
+++ b/sound/soc/fsl/fsl_asrc_dma.c
@@ -282,7 +282,5 @@ static int fsl_asrc_dma_startup(struct snd_pcm_substream *substream)
- if (!pair) {
- dev_err(dev, "failed to allocate pair\n");
+ if (!pair)
  return -ENOMEM;
- }
 
  pair->asrc_priv = asrc_priv;
 
diff --git a/sound/soc/fsl/fsl_dma.c b/sound/soc/fsl/fsl_dma.c
index ccadefceeff2..0ce172f86d6c 100644
--- a/sound/soc/fsl/fsl_dma.c
+++ b/sound/soc/fsl/fsl_dma.c
@@ -907,5 +907,4 @@ static int fsl_soc_dma_probe(struct platform_device *pdev)
  if (!dma) {
- dev_err(&pdev->dev, "could not allocate dma object\n");
  of_node_put(ssi_np);
  return -ENOMEM;
  }
diff --git a/sound/soc/fsl/fsl_ssi.c b/sound/soc/fsl/fsl_ssi.c
index 173cb8496641..64598d1183f8 100644
--- a/sound/soc/fsl/fsl_ssi.c
+++ b/sound/soc/fsl/fsl_ssi.c
@@ -1435,7 +1435,5 @@ static int fsl_ssi_probe(struct platform_device *pdev)
- if (!ssi_private) {
- dev_err(&pdev->dev, "could not allocate DAI object\n");
+ if (!ssi_private)
  return -ENOMEM;
- }
 
  ssi_private->soc = of_id->data;
  ssi_private->dev = &pdev->dev;
--
2.14.0

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Re: [PATCH] ASoC: Freescale: Delete an error message for a failed memory allocation in three functions

Joe Perches
On Fri, 2017-08-11 at 15:32 +0200, SF Markus Elfring wrote:

> From 885ccd6c63291dcd4854a0cbaab5188cdc3db805 Mon Sep 17 00:00:00 2001
> From: Markus Elfring <[hidden email]>
> Date: Fri, 11 Aug 2017 15:10:43 +0200
> Subject: [PATCH] ASoC: Freescale: Delete an error message for a failed memory allocation in three functions
>
> Omit an extra message for a memory allocation failure in these functions.
>
> This issue was detected by using the Coccinelle software.
>
> Link: http://events.linuxfoundation.org/sites/events/files/slides/LCJ16-Refactor_Strings-WSang_0.pdf

This doesn't have anything to do with refactoring strings.

Just note that allocations without GFP_NOWARN do a dump_stack()

> diff --git a/sound/soc/fsl/fsl_asrc_dma.c b/sound/soc/fsl/fsl_asrc_dma.c
[]
> @@ -282,7 +282,5 @@ static int fsl_asrc_dma_startup(struct snd_pcm_substream *substream)
> - if (!pair) {
> - dev_err(dev, "failed to allocate pair\n");
> + if (!pair)
>   return -ENOMEM;
> - }

Use normal diff output that shows 3 lines of context
above and below the patched lines.
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