Use snprintf instead of sprintf to avoid buffer overflow.

Found by Linux Verification Center (linuxtesting.org) with SVACE.

Fixes: 2d744ecf2b98 ("ASoC: Intel: Skylake: Automatic DMIC format configuration according to information from NHLT") Signed-off-by: Natalia Petrova n.petrova@fintech.ru --- sound/soc/intel/skylake/skl-topology.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sound/soc/intel/skylake/skl-topology.c b/sound/soc/intel/skylake/skl-topology.c index e06eac592da1..ac06926e651d 100644 --- a/sound/soc/intel/skylake/skl-topology.c +++ b/sound/soc/intel/skylake/skl-topology.c @@ -3660,7 +3660,7 @@ static int skl_tplg_complete(struct snd_soc_component *component)

se = (struct soc_enum *)kcontrol->private_value; texts = dobj->control.dtexts; - sprintf(chan_text, "c%d", mach->mach_params.dmic_num); + snprintf(chan_text, sizeof(chan_text), "c%d", mach->mach_params.dmic_num);

for (i = 0; i < se->items; i++) { if (strstr(texts[i], chan_text)) {