ALSA: Use strlcpy() instead of strncpy()

We tend to make stupid mistakes with strncpy().  Let's take a safer
one, strlcpy().

Signed-off-by: Takashi Iwai <tiwai@suse.de>

4 files changed, 6 insertions, 6 deletions

diff --git a/sound/pci/cs5535audio/cs5535audio_olpc.c b/sound/pci/cs5535audio/cs5535audio_olpc.c
index da1cb9c4c76c..e6a44507d557 100644
--- a/sound/pci/cs5535audio/cs5535audio_olpc.c
+++ b/sound/pci/cs5535audio/cs5535audio_olpc.c
@@ -161,13 +161,13 @@ int olpc_quirks(struct snd_card *card, struct snd_ac97 *ac97)
         /* drop the original AD1888 HPF control */
         memset(&elem, 0, sizeof(elem));
         elem.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
-        strncpy(elem.name, "High Pass Filter Enable", sizeof(elem.name));
+        strlcpy(elem.name, "High Pass Filter Enable", sizeof(elem.name));
         snd_ctl_remove_id(card, &elem);
 
         /* drop the original V_REFOUT control */
         memset(&elem, 0, sizeof(elem));
         elem.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
-        strncpy(elem.name, "V_REFOUT Enable", sizeof(elem.name));
+        strlcpy(elem.name, "V_REFOUT Enable", sizeof(elem.name));
         snd_ctl_remove_id(card, &elem);
 
         /* add the OLPC-specific controls */
diff --git a/sound/pci/ice1712/psc724.c b/sound/pci/ice1712/psc724.c
index 302ac6ddd545..4019cf27d117 100644
--- a/sound/pci/ice1712/psc724.c
+++ b/sound/pci/ice1712/psc724.c
@@ -203,12 +203,12 @@ static void psc724_set_jack_state(struct snd_ice1712 *ice, bool hp_connected)
         /* notify about master speaker mute change */
         memset(&elem_id, 0, sizeof(elem_id));
         elem_id.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
-        strncpy(elem_id.name, "Master Speakers Playback Switch",
+        strlcpy(elem_id.name, "Master Speakers Playback Switch",
                                                 sizeof(elem_id.name));
         kctl = snd_ctl_find_id(ice->card, &elem_id);
         snd_ctl_notify(ice->card, SNDRV_CTL_EVENT_MASK_VALUE, &kctl->id);
         /* and headphone mute change */
-        strncpy(elem_id.name, spec->wm8776.ctl[WM8776_CTL_HP_SW].name,
+        strlcpy(elem_id.name, spec->wm8776.ctl[WM8776_CTL_HP_SW].name,
                                                 sizeof(elem_id.name));
         kctl = snd_ctl_find_id(ice->card, &elem_id);
         snd_ctl_notify(ice->card, SNDRV_CTL_EVENT_MASK_VALUE, &kctl->id);
diff --git a/sound/pci/ice1712/wm8776.c b/sound/pci/ice1712/wm8776.c
index a3c05fe5daf9..5227cb08247f 100644
--- a/sound/pci/ice1712/wm8776.c
+++ b/sound/pci/ice1712/wm8776.c
@@ -52,7 +52,7 @@ static void snd_wm8776_activate_ctl(struct snd_wm8776 *wm,
         unsigned int index_offset;
 
         memset(&elem_id, 0, sizeof(elem_id));
-        strncpy(elem_id.name, ctl_name, sizeof(elem_id.name));
+        strlcpy(elem_id.name, ctl_name, sizeof(elem_id.name));
         elem_id.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
         kctl = snd_ctl_find_id(card, &elem_id);
         if (!kctl)
diff --git a/sound/pci/rme9652/hdspm.c b/sound/pci/rme9652/hdspm.c
index 2907e68150cb..e98dc008de0b 100644
--- a/sound/pci/rme9652/hdspm.c
+++ b/sound/pci/rme9652/hdspm.c
@@ -6400,7 +6400,7 @@ static int snd_hdspm_hwdep_ioctl(struct snd_hwdep *hw, struct file *file,
                 memset(&hdspm_version, 0, sizeof(hdspm_version));
 
                 hdspm_version.card_type = hdspm->io_type;
-                strncpy(hdspm_version.cardname, hdspm->card_name,
+                strlcpy(hdspm_version.cardname, hdspm->card_name,
                                 sizeof(hdspm_version.cardname));
                 hdspm_version.serial = hdspm->serial;
                 hdspm_version.firmware_rev = hdspm->firmware_rev;