[alsa-devel] [PATCH] ASoC: dmaengine: Replace strncpy() with strscpy_pad() for pcm->name

Peter Ujfalusi peter.ujfalusi at ti.com
Wed Sep 11 10:33:31 CEST 2019


While it is safe to use strncpy in this case, the advice is to move to
strscpy or strscpy_pad.

Suggested-by: Takashi Iwai <tiwai at suse.de>
Signed-off-by: Peter Ujfalusi <peter.ujfalusi at ti.com>
---
 sound/soc/soc-generic-dmaengine-pcm.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/sound/soc/soc-generic-dmaengine-pcm.c b/sound/soc/soc-generic-dmaengine-pcm.c
index d93db2c2b527..5552c66ca642 100644
--- a/sound/soc/soc-generic-dmaengine-pcm.c
+++ b/sound/soc/soc-generic-dmaengine-pcm.c
@@ -308,9 +308,9 @@ static int dmaengine_pcm_new(struct snd_soc_pcm_runtime *rtd)
 			pcm->flags |= SND_DMAENGINE_PCM_FLAG_NO_RESIDUE;
 
 		if (rtd->pcm->streams[i].pcm->name[0] == '\0') {
-			strncpy(rtd->pcm->streams[i].pcm->name,
-				rtd->pcm->streams[i].pcm->id,
-				sizeof(rtd->pcm->streams[i].pcm->name));
+			strscpy_pad(rtd->pcm->streams[i].pcm->name,
+				    rtd->pcm->streams[i].pcm->id,
+				    sizeof(rtd->pcm->streams[i].pcm->name));
 		}
 	}
 
-- 
Peter

Texas Instruments Finland Oy, Porkkalankatu 22, 00180 Helsinki.
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