linux-kernel - [PATCH 1/2] brcmfmac: don't WARN when there are no requests

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Message-Id: <20190925134458.1413790-1-adrian.ratiu@collabora.com>
Date:   Wed, 25 Sep 2019 16:44:57 +0300
From:   Adrian Ratiu <adrian.ratiu@...labora.com>
To:     brcm80211-dev-list.pdl@...adcom.com
Cc:     linux-wireless@...r.kernel.org, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Martyn Welch <martyn.welch@...labora.com>
Subject: [PATCH 1/2] brcmfmac: don't WARN when there are no requests

When n_reqs == 0 there is nothing to do so it doesn't make sense to
search for requests and issue a warning because none is found.

Signed-off-by: Martyn Welch <martyn.welch@...labora.com>
Signed-off-by: Adrian Ratiu <adrian.ratiu@...labora.com>
---
 drivers/net/wireless/broadcom/brcm80211/brcmfmac/pno.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pno.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pno.c
index 14e530601ef3..fabfbb0b40b0 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pno.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pno.c
@@ -57,6 +57,10 @@ static int brcmf_pno_remove_request(struct brcmf_pno_info *pi, u64 reqid)
 
 	mutex_lock(&pi->req_lock);
 
+	/* Nothing to do if we have no requests */
+	if (pi->n_reqs == 0)
+		goto done;
+
 	/* find request */
 	for (i = 0; i < pi->n_reqs; i++) {
 		if (pi->reqs[i]->reqid == reqid)
-- 
2.23.0