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[PATCH 2/2] ALSA: compress: Reduce the scope for two variables in snd_compr_set_params()

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From: Markus Elfring <elfring@users.sourceforge.net>
Date: Sun, 21 Aug 2016 21:26:18 +0200

Reduce the scope for the local variables to an if branch.

Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
---
 sound/core/compress_offload.c | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/sound/core/compress_offload.c b/sound/core/compress_offload.c
index 583d407..b43aec5 100644
--- a/sound/core/compress_offload.c
+++ b/sound/core/compress_offload.c
@@ -545,14 +545,14 @@ static int snd_compress_check_input(struct snd_compr_params *params)
 static int
 snd_compr_set_params(struct snd_compr_stream *stream, unsigned long arg)
 {
-	struct snd_compr_params *params;
-	int retval;
-
 	if (stream->runtime->state == SNDRV_PCM_STATE_OPEN) {
 		/*
 		 * we should allow parameter change only when stream has been
 		 * opened not in other cases
 		 */
+		int retval;
+		struct snd_compr_params *params;
+
 		params = memdup_user((void __user *)arg, sizeof(*params));
 		if (IS_ERR(params))
 			return PTR_ERR(params);
@@ -578,12 +578,12 @@ snd_compr_set_params(struct snd_compr_stream *stream, unsigned long arg)
 			stream->runtime->state = SNDRV_PCM_STATE_SETUP;
 		else
 			stream->runtime->state = SNDRV_PCM_STATE_PREPARED;
+out:
+		kfree(params);
+		return retval;
 	} else {
 		return -EPERM;
 	}
-out:
-	kfree(params);
-	return retval;
 }
 
 static int
-- 
2.9.3

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[PATCH 0/2] ALSA: compress: Fine-tuning for snd_compr_set_params() SF Markus Elfring <elfring@users.sourceforge.net> - 2016-08-21 21:50 +0200
  [PATCH 1/2] ALSA: compress: Use memdup_user() rather than duplicating  its implementation SF Markus Elfring <elfring@users.sourceforge.net> - 2016-08-21 21:50 +0200
    Re: [PATCH 1/2] ALSA: compress: Use memdup_user() rather than  duplicating its implementation Vinod Koul <vinod.koul@intel.com> - 2016-08-22 07:00 +0200
    Re: [alsa-devel] [PATCH 1/2] ALSA: compress: Use memdup_user() rather than duplicating its implementation Takashi Iwai <tiwai@suse.de> - 2016-08-22 14:10 +0200
      Re: [alsa-devel] [PATCH 1/2] ALSA: compress: Use memdup_user()  rather than duplicating its implementation Vinod Koul <vinod.koul@intel.com> - 2016-08-23 05:50 +0200
  [PATCH 2/2] ALSA: compress: Reduce the scope for two variables in  snd_compr_set_params() SF Markus Elfring <elfring@users.sourceforge.net> - 2016-08-21 21:50 +0200
    Re: [PATCH 2/2] ALSA: compress: Reduce the scope for two variables  in snd_compr_set_params() Joe Perches <joe@perches.com> - 2016-08-21 22:00 +0200
      [PATCH v2 0/2] ALSA: compress: Fine-tuning for snd_compr_set_params() SF Markus Elfring <elfring@users.sourceforge.net> - 2016-08-22 10:40 +0200
        [PATCH v2 1/2] ALSA: compress: Restructure source code around an if  statement in snd_compr_set_params() SF Markus Elfring <elfring@users.sourceforge.net> - 2016-08-22 10:40 +0200
        [PATCH v2 2/2] ALSA: compress: Use memdup_user() rather than  duplicating its implementation SF Markus Elfring <elfring@users.sourceforge.net> - 2016-08-22 10:50 +0200
        Re: [PATCH v2 0/2] ALSA: compress: Fine-tuning for  snd_compr_set_params() Vinod Koul <vinod.koul@intel.com> - 2016-08-23 06:00 +0200
    Re: [PATCH 2/2] ALSA: compress: Reduce the scope for two variables  in snd_compr_set_params() Julia Lawall <julia.lawall@lip6.fr> - 2016-08-21 22:40 +0200
      Re: [PATCH 2/2] ALSA: compress: Reduce the scope for two variables  in snd_compr_set_params() Vinod Koul <vinod.koul@intel.com> - 2016-08-22 07:00 +0200
    Re: [PATCH 2/2] ALSA: compress: Reduce the scope for two variables  in snd_compr_set_params() walter harms <wharms@bfs.de> - 2016-08-22 09:30 +0200

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