From 3536672bbdc2e7093333be85c945a63aef4c6bb8 Mon Sep 17 00:00:00 2001 From: liuguoqiang Date: Mon, 15 Nov 2021 17:21:39 +0800 Subject: cfg80211: delete redundant free code When kzalloc failed and rdev->sacn_req or rdev->scan_msg is null, pass a null pointer to kfree is redundant, delete it and return directly. Signed-off-by: liuguoqiang Link: https://lore.kernel.org/r/20211115092139.24407-1-liuguoqiang@uniontech.com [remove now unused creq = NULL assigment] Signed-off-by: Johannes Berg --- net/wireless/scan.c | 14 +++++--------- 1 file changed, 5 insertions(+), 9 deletions(-) (limited to 'net/wireless') diff --git a/net/wireless/scan.c b/net/wireless/scan.c index 22e92be61938..a960940b6b75 100644 --- a/net/wireless/scan.c +++ b/net/wireless/scan.c @@ -2687,7 +2687,7 @@ int cfg80211_wext_siwscan(struct net_device *dev, struct cfg80211_registered_device *rdev; struct wiphy *wiphy; struct iw_scan_req *wreq = NULL; - struct cfg80211_scan_request *creq = NULL; + struct cfg80211_scan_request *creq; int i, err, n_channels = 0; enum nl80211_band band; @@ -2702,10 +2702,8 @@ int cfg80211_wext_siwscan(struct net_device *dev, if (IS_ERR(rdev)) return PTR_ERR(rdev); - if (rdev->scan_req || rdev->scan_msg) { - err = -EBUSY; - goto out; - } + if (rdev->scan_req || rdev->scan_msg) + return -EBUSY; wiphy = &rdev->wiphy; @@ -2718,10 +2716,8 @@ int cfg80211_wext_siwscan(struct net_device *dev, creq = kzalloc(sizeof(*creq) + sizeof(struct cfg80211_ssid) + n_channels * sizeof(void *), GFP_ATOMIC); - if (!creq) { - err = -ENOMEM; - goto out; - } + if (!creq) + return -ENOMEM; creq->wiphy = wiphy; creq->wdev = dev->ieee80211_ptr; -- cgit v1.2.3-58-ga151