linux-kernel - [PATCH] ALSA: dbri: replace strcpy() with strscpy()

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Message-ID: <20250519194833.106463-1-siddarthsgml@gmail.com>
Date: Tue, 20 May 2025 01:18:33 +0530
From: Siddarth Gundu <siddarthsgml@...il.com>
To: perex@...ex.cz,
	tiwai@...e.com
Cc: u.kleine-koenig@...libre.com,
	zhujun2@...s.chinamobile.com,
	linux-sound@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Siddarth Gundu <siddarthsgml@...il.com>
Subject: [PATCH] ALSA: dbri: replace strcpy() with strscpy()

strcpy() is deprecated; use strscpy() instead.

Both the destination and source buffer are of fixed length
so strscpy with 2-arguments is used.

Link: https://github.com/KSPP/linux/issues/88
Signed-off-by: Siddarth Gundu <siddarthsgml@...il.com>
---
- test-compiled and no functional changes intended

 sound/sparc/dbri.c | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/sound/sparc/dbri.c b/sound/sparc/dbri.c
index 69f1c9e37f4b..93cbe158009f 100644
--- a/sound/sparc/dbri.c
+++ b/sound/sparc/dbri.c
@@ -60,6 +60,7 @@
 #include <linux/io.h>
 #include <linux/dma-mapping.h>
 #include <linux/gfp.h>
+#include <linux/string.h>
 
 #include <sound/core.h>
 #include <sound/pcm.h>
@@ -2239,7 +2240,7 @@ static int snd_dbri_pcm(struct snd_card *card)
 
 	pcm->private_data = card->private_data;
 	pcm->info_flags = 0;
-	strcpy(pcm->name, card->shortname);
+	strscpy(pcm->name, card->shortname);
 
 	snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_CONTINUOUS,
 				       NULL, 64 * 1024, 64 * 1024);
@@ -2446,7 +2447,7 @@ static int snd_dbri_mixer(struct snd_card *card)
 		return -EINVAL;
 	dbri = card->private_data;
 
-	strcpy(card->mixername, card->shortname);
+	strscpy(card->mixername, card->shortname);
 
 	for (idx = 0; idx < ARRAY_SIZE(dbri_controls); idx++) {
 		err = snd_ctl_add(card,
@@ -2613,8 +2614,8 @@ static int dbri_probe(struct platform_device *op)
 	if (err < 0)
 		return err;
 
-	strcpy(card->driver, "DBRI");
-	strcpy(card->shortname, "Sun DBRI");
+	strscpy(card->driver, "DBRI");
+	strscpy(card->shortname, "Sun DBRI");
 	rp = &op->resource[0];
 	sprintf(card->longname, "%s at 0x%02lx:0x%016llx, irq %d",
 		card->shortname,
-- 
2.48.1