[PATCH] isdn: mISDN: remove unneeded variable 'ret'

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 <redacted>
Signed-off-by: Yang Li <redacted>
---
 drivers/isdn/mISDN/dsp_core.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/isdn/mISDN/dsp_core.c b/drivers/isdn/mISDN/dsp_core.c
index 038e72a..4946ea1 100644
--- a/drivers/isdn/mISDN/dsp_core.c
+++ b/drivers/isdn/mISDN/dsp_core.c

@@ -953,7 +953,6 @@
 {
 	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 @@
 		module_put(THIS_MODULE);
 		break;
 	}
-	return err;
+	return 0;
 }
 
 static void

-- 
1.8.3.1

Hello:

This patch was applied to netdev/net-next.git (refs/heads/master):

On Wed, 10 Mar 2021 16:53:04 +0800 you wrote:

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 <redacted>
Signed-off-by: Yang Li <redacted>

[...]

Here is the summary with links:
  - isdn: mISDN: remove unneeded variable 'ret'
    https://git.kernel.org/netdev/net-next/c/762c1adb1c15

You are awesome, thank you!
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