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ALSA: hda - Pass printf argument directly to request_module() 

request_module() handles the printf style arguments, so we don't have
to render strings in the caller side.  Not only it reduces the
unnecessary temporary string buffer, it's even safer from the security
POV.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai 2014-10-27 15:15:44 +01:00
parent 85c24cd8d3
commit 66797f36fd
1 changed files with 4 additions and 6 deletions
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10
sound/pci/hda/hda_codec.c
View File

@ -966,14 +966,12 @@ find_codec_preset(struct hda_codec *codec)
mutex_unlock(&preset_mutex);
if (mod_requested < HDA_MODREQ_MAX_COUNT) {
char name[32];
if (!mod_requested)
snprintf(name, sizeof(name), "snd-hda-codec-id:%08x",
codec->vendor_id);
request_module("snd-hda-codec-id:%08x",
codec->vendor_id);
else
snprintf(name, sizeof(name), "snd-hda-codec-id:%04x*",
(codec->vendor_id >> 16) & 0xffff);
request_module(name);
request_module("snd-hda-codec-id:%04x*",
(codec->vendor_id >> 16) & 0xffff);
mod_requested++;
goto again;
}