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isdn: mISDN: remove unneeded variable 'ret'

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Fix the following coccicheck warning:
./drivers/isdn/mISDN/dsp_core.c:956:6-9: Unneeded variable: "err".
Return "0" on line 1001

Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Signed-off-by: Yang Li <yang.lee@linux.alibaba.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Yang Li 2021-03-10 16:53:04 +08:00 committed by David S. Miller
parent 3559c1ea43
commit 762c1adb1c
1 changed files with 1 additions and 2 deletions
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3
drivers/isdn/mISDN/dsp_core.c
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@ -953,7 +953,6 @@ dsp_ctrl(struct mISDNchannel *ch, u_int cmd, void *arg)
{
struct dsp *dsp = container_of(ch, struct dsp, ch);
u_long flags;
int err = 0;
if (debug & DEBUG_DSP_CTRL)
printk(KERN_DEBUG "%s:(%x)\n", __func__, cmd);
@ -998,7 +997,7 @@ dsp_ctrl(struct mISDNchannel *ch, u_int cmd, void *arg)
module_put(THIS_MODULE);
break;
}
return err;
return 0;
}
static void