From a8e98f3448e1a4b6848f213cf51720e29dcc774b Mon Sep 17 00:00:00 2001 From: Dmitry Fomin Date: Sat, 25 Feb 2023 21:43:22 +0300 Subject: [PATCH] ALSA: ice1712: Delete unreachable code in aureon_add_controls() If the check (id != 0x41) fails, then id == 0x41 and the other check in 'else' branch also fails: id & 0x0F = 0b01000001 & 0b00001111 = 0b00000001. Found by Linux Verification Center (linuxtesting.org) with SVACE. Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2") Signed-off-by: Dmitry Fomin Link: https://lore.kernel.org/r/20230225184322.6286-2-fomindmitriyfoma@mail.ru Signed-off-by: Takashi Iwai --- sound/pci/ice1712/aureon.c | 4 ---- 1 file changed, 4 deletions(-) diff --git a/sound/pci/ice1712/aureon.c b/sound/pci/ice1712/aureon.c index 40a0e0095030..24b978234000 100644 --- a/sound/pci/ice1712/aureon.c +++ b/sound/pci/ice1712/aureon.c @@ -1896,10 +1896,6 @@ static int aureon_add_controls(struct snd_ice1712 *ice) if (id != 0x41) dev_info(ice->card->dev, "No CS8415 chip. Skipping CS8415 controls.\n"); - else if ((id & 0x0F) != 0x01) - dev_info(ice->card->dev, - "Detected unsupported CS8415 rev. (%c)\n", - (char)((id & 0x0F) + 'A' - 1)); else { for (i = 0; i < ARRAY_SIZE(cs8415_controls); i++) { struct snd_kcontrol *kctl;