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ALSA: usb-audio: Remove redundant assignment to len

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Variable len is set to zero but this value is never read as it is
overwritten with a new value later on, hence it is a redundant
assignment and can be removed.

Cleans up the following clang-analyzer warning:

sound/usb/mixer.c:2713:3: warning: Value stored to 'len' is never read
[clang-analyzer-deadcode.DeadStores].

Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Signed-off-by: Jiapeng Chong <jiapeng.chong@linux.alibaba.com>
Link: https://lore.kernel.org/r/1619519194-57806-1-git-send-email-jiapeng.chong@linux.alibaba.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Jiapeng Chong 2021-04-27 18:26:34 +08:00 committed by Takashi Iwai
parent 970e3012c0
commit a3ffcebc87
1 changed files with 0 additions and 1 deletions
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1
sound/usb/mixer.c
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@ -2726,7 +2726,6 @@ static int parse_audio_selector_unit(struct mixer_build *state, int unitid,
#define MAX_ITEM_NAME_LEN 64
for (i = 0; i < desc->bNrInPins; i++) {
struct usb_audio_term iterm;
len = 0;
namelist[i] = kmalloc(MAX_ITEM_NAME_LEN, GFP_KERNEL);
if (!namelist[i]) {
err = -ENOMEM;