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Re: [PATCH] brcmfmac: Remove unnecessary NULL-check.

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On 2/11/2024 4:05 PM, Daniil Dulov wrote:
In this case req will never be NULL, so remove unnecessary check.

Found by Linux Verification Center (linuxtesting.org) with SVACE.

Looks good to me, but when do we call things a "fix" and when is "improvement" more appropriate.

Fixes: 71bb244ba2fd ("brcm80211: fmac: add USB support for bcm43235/6/8 chipsets")
Reviewed-by: Arend van Spriel <arend.vanspriel@xxxxxxxxxxxx>
Signed-off-by: Daniil Dulov <d.dulov@xxxxxxxxxx>
---
  drivers/net/wireless/broadcom/brcm80211/brcmfmac/usb.c | 3 +--
  1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/usb.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/usb.c
index 9fb68c2dc7e3..38e4e4f32a39 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/usb.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/usb.c
@@ -455,8 +455,7 @@ brcmf_usbdev_qinit(struct list_head *q, int qsize)
  	brcmf_err("fail!\n");
  	while (!list_empty(q)) {
  		req = list_entry(q->next, struct brcmf_usbreq, list);
-		if (req)
-			usb_free_urb(req->urb);
+		usb_free_urb(req->urb);
  		list_del(q->next);
  	}

Ay you are already touching this code you could consider using list_for_each_entry_safe().

  	kfree(reqs);

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