Fix Smatch static checker warning. strncmp() here only needs to compare the first seven bytes, so in order to make the code more clear, only the first seven bytes of the string used as the comparison are reserved.

Bug report: https://www.spinics.net/lists/alsa-devel/msg145608.html

sound/soc/mediatek/mt8186/mt8186-dai-adda.c:78 get_adda_priv_by_name() warn: strncmp() with weird length: 17 vs 7

sound/soc/mediatek/mt8186/mt8186-dai-adda.c 72 static struct mtk_afe_adda_priv *get_adda_priv_by_name(struct mtk_base_afe *afe, 73 const char *name) 74 { 75 struct mt8186_afe_private *afe_priv = afe->platform_priv; 76 int dai_id; 77 --> 78 if (strncmp(name, "aud_dac_hires_clk", 7) == 0 || 79 strncmp(name, "aud_adc_hires_clk", 7) == 0)

Fixes: b65c466220b3 ("ASoC: mediatek: mt8186: support adda in platform driver") Signed-off-by: Jiaxin Yu jiaxin.yu@mediatek.com --- sound/soc/mediatek/mt8186/mt8186-dai-adda.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/sound/soc/mediatek/mt8186/mt8186-dai-adda.c b/sound/soc/mediatek/mt8186/mt8186-dai-adda.c index db71b032770d..81976f7c444e 100644 --- a/sound/soc/mediatek/mt8186/mt8186-dai-adda.c +++ b/sound/soc/mediatek/mt8186/mt8186-dai-adda.c @@ -75,8 +75,7 @@ static struct mtk_afe_adda_priv *get_adda_priv_by_name(struct mtk_base_afe *afe, struct mt8186_afe_private *afe_priv = afe->platform_priv; int dai_id;

- if (strncmp(name, "aud_dac_hires_clk", 7) == 0 || - strncmp(name, "aud_adc_hires_clk", 7) == 0) + if (strncmp(name, "aud_dac", 7) == 0 || strncmp(name, "aud_adc", 7) == 0) dai_id = MT8186_DAI_ADDA; else return NULL;