summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
authorJoey Pabalinas <joeypabalinas@gmail.com>2018-03-01 09:17:07 -0500
committerTakashi Iwai <tiwai@suse.de>2018-03-01 10:13:13 -0500
commit338e17d3f58e9868a12af7deb1edcfb40bd588b2 (patch)
tree2a0ec4763de4fc80103c49c0ed7c8aa80e7e0f37
parentdd5f313be0d4d7a46f0e82c42aed4fbc784699ea (diff)
ALSA: ice1712: replace strcpy() with strlcpy()
Replace unsafe usages of strcpy() to copy the name argument into the sid.name buffer with strlcpy() to guard against possible buffer overflows. Signed-off-by: Joey Pabalinas <joeypabalinas@gmail.com> Suggested-by: Andy Shevchenko <andy.shevchenko@gmail.com> Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
-rw-r--r--sound/pci/ice1712/juli.c8
-rw-r--r--sound/pci/ice1712/quartet.c8
2 files changed, 8 insertions, 8 deletions
diff --git a/sound/pci/ice1712/juli.c b/sound/pci/ice1712/juli.c
index 0dbaccf61f33..21806bab4757 100644
--- a/sound/pci/ice1712/juli.c
+++ b/sound/pci/ice1712/juli.c
@@ -27,6 +27,7 @@
27#include <linux/interrupt.h> 27#include <linux/interrupt.h>
28#include <linux/init.h> 28#include <linux/init.h>
29#include <linux/slab.h> 29#include <linux/slab.h>
30#include <linux/string.h>
30#include <sound/core.h> 31#include <sound/core.h>
31#include <sound/tlv.h> 32#include <sound/tlv.h>
32 33
@@ -425,10 +426,9 @@ DECLARE_TLV_DB_SCALE(juli_master_db_scale, -6350, 50, 1);
425static struct snd_kcontrol *ctl_find(struct snd_card *card, 426static struct snd_kcontrol *ctl_find(struct snd_card *card,
426 const char *name) 427 const char *name)
427{ 428{
428 struct snd_ctl_elem_id sid; 429 struct snd_ctl_elem_id sid = {0};
429 memset(&sid, 0, sizeof(sid)); 430
430 /* FIXME: strcpy is bad. */ 431 strlcpy(sid.name, name, sizeof(sid.name));
431 strcpy(sid.name, name);
432 sid.iface = SNDRV_CTL_ELEM_IFACE_MIXER; 432 sid.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
433 return snd_ctl_find_id(card, &sid); 433 return snd_ctl_find_id(card, &sid);
434} 434}
diff --git a/sound/pci/ice1712/quartet.c b/sound/pci/ice1712/quartet.c
index d145b5eb7ff8..5bc836241c97 100644
--- a/sound/pci/ice1712/quartet.c
+++ b/sound/pci/ice1712/quartet.c
@@ -26,6 +26,7 @@
26#include <linux/interrupt.h> 26#include <linux/interrupt.h>
27#include <linux/init.h> 27#include <linux/init.h>
28#include <linux/slab.h> 28#include <linux/slab.h>
29#include <linux/string.h>
29#include <sound/core.h> 30#include <sound/core.h>
30#include <sound/tlv.h> 31#include <sound/tlv.h>
31#include <sound/info.h> 32#include <sound/info.h>
@@ -785,10 +786,9 @@ DECLARE_TLV_DB_SCALE(qtet_master_db_scale, -6350, 50, 1);
785static struct snd_kcontrol *ctl_find(struct snd_card *card, 786static struct snd_kcontrol *ctl_find(struct snd_card *card,
786 const char *name) 787 const char *name)
787{ 788{
788 struct snd_ctl_elem_id sid; 789 struct snd_ctl_elem_id sid = {0};
789 memset(&sid, 0, sizeof(sid)); 790
790 /* FIXME: strcpy is bad. */ 791 strlcpy(sid.name, name, sizeof(sid.name));
791 strcpy(sid.name, name);
792 sid.iface = SNDRV_CTL_ELEM_IFACE_MIXER; 792 sid.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
793 return snd_ctl_find_id(card, &sid); 793 return snd_ctl_find_id(card, &sid);
794} 794}