diff options
| author | Joey Pabalinas <joeypabalinas@gmail.com> | 2018-03-01 04:17:07 -1000 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2018-03-01 16:13:13 +0100 |
| commit | 338e17d3f58e9868a12af7deb1edcfb40bd588b2 (patch) | |
| tree | 2a0ec4763de4fc80103c49c0ed7c8aa80e7e0f37 /sound/pci | |
| parent | dd5f313be0d4d7a46f0e82c42aed4fbc784699ea (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>
Diffstat (limited to 'sound/pci')
| -rw-r--r-- | sound/pci/ice1712/juli.c | 8 | ||||
| -rw-r--r-- | sound/pci/ice1712/quartet.c | 8 |
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 @@ #include <linux/interrupt.h> #include <linux/init.h> #include <linux/slab.h> +#include <linux/string.h> #include <sound/core.h> #include <sound/tlv.h> @@ -425,10 +426,9 @@ DECLARE_TLV_DB_SCALE(juli_master_db_scale, -6350, 50, 1); static struct snd_kcontrol *ctl_find(struct snd_card *card, const char *name) { - struct snd_ctl_elem_id sid; - memset(&sid, 0, sizeof(sid)); - /* FIXME: strcpy is bad. */ - strcpy(sid.name, name); + struct snd_ctl_elem_id sid = {0}; + + strlcpy(sid.name, name, sizeof(sid.name)); sid.iface = SNDRV_CTL_ELEM_IFACE_MIXER; return snd_ctl_find_id(card, &sid); } 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 @@ #include <linux/interrupt.h> #include <linux/init.h> #include <linux/slab.h> +#include <linux/string.h> #include <sound/core.h> #include <sound/tlv.h> #include <sound/info.h> @@ -785,10 +786,9 @@ DECLARE_TLV_DB_SCALE(qtet_master_db_scale, -6350, 50, 1); static struct snd_kcontrol *ctl_find(struct snd_card *card, const char *name) { - struct snd_ctl_elem_id sid; - memset(&sid, 0, sizeof(sid)); - /* FIXME: strcpy is bad. */ - strcpy(sid.name, name); + struct snd_ctl_elem_id sid = {0}; + + strlcpy(sid.name, name, sizeof(sid.name)); sid.iface = SNDRV_CTL_ELEM_IFACE_MIXER; return snd_ctl_find_id(card, &sid); } |