Hi, This patch series fixes the out-of-bound error caused by the return value of usb_string(). It was descovered by KASAN. KASAN OOB warning meesage was founded by connecting the following product. http://www.lg.com/uk/lg-friends/lg-AFD-1200 Changes in v2: - Changes return value check for second patch (by Takashi Iwai) - In case of failure case, return 0 not negative value (by Takashi Iwai) - Put an explicit error and bail out (by Takashi Iwai) Thanks jaejoong Jaejoong Kim (2): ALSA: usb-audio: Fix out-of-bound error ALSA: usb-audio: Add check return value for usb_string() sound/usb/mixer.c | 13 +++++++++---- 1 file changed, 9 insertions(+), 4 deletions(-) -- 2.7.4