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um: Remove unneeded variable 'ret' 

Fix the following coccicheck warning:
./arch/um/drivers/hostaudio_kern.c:125:10-14: Unneeded variable: "mask".
Return "0" on line 131

Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Signed-off-by: Yang Li <yang.lee@linux.alibaba.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
This commit is contained in:
Yang Li 2021-03-10 16:49:08 +08:00 committed by Richard Weinberger
parent d5027ca63e
commit ea8e896cc1
1 changed files with 1 additions and 3 deletions
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4
arch/um/drivers/hostaudio_kern.c
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@ -122,13 +122,11 @@ static ssize_t hostaudio_write(struct file *file, const char __user *buffer,
static __poll_t hostaudio_poll(struct file *file,
struct poll_table_struct *wait)
{
__poll_t mask = 0;
#ifdef DEBUG
printk(KERN_DEBUG "hostaudio: poll called (unimplemented)\n");
#endif
return mask;
return 0;
}
static long hostaudio_ioctl(struct file *file,