From 338e17d3f58e9868a12af7deb1edcfb40bd588b2 Mon Sep 17 00:00:00 2001 From: Joey Pabalinas Date: Thu, 1 Mar 2018 04:17:07 -1000 Subject: 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 Suggested-by: Andy Shevchenko Reviewed-by: Andy Shevchenko Signed-off-by: Takashi Iwai --- sound/pci/ice1712/juli.c | 8 ++++---- sound/pci/ice1712/quartet.c | 8 ++++---- 2 files changed, 8 insertions(+), 8 deletions(-) (limited to 'sound/pci/ice1712') 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 #include #include +#include #include #include @@ -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 #include #include +#include #include #include #include @@ -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); } -- cgit