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| author | liuguoqiang <liuguoqiang@uniontech.com> | 2021-11-15 17:21:39 +0800 |
|---|---|---|
| committer | Johannes Berg <johannes.berg@intel.com> | 2021-11-26 11:49:17 +0100 |
| commit | 3536672bbdc2e7093333be85c945a63aef4c6bb8 (patch) | |
| tree | 6c6bf9b9eb57c03c510b463cd33b4e44a3742ad5 /net/wireless/scan.c | |
| parent | d787a3e38f01bfc4566df4e85d432a29d192e637 (diff) | |
| download | linux-3536672bbdc2e7093333be85c945a63aef4c6bb8.tar.gz linux-3536672bbdc2e7093333be85c945a63aef4c6bb8.tar.bz2 linux-3536672bbdc2e7093333be85c945a63aef4c6bb8.zip | |
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 <liuguoqiang@uniontech.com>
Link: https://lore.kernel.org/r/20211115092139.24407-1-liuguoqiang@uniontech.com
[remove now unused creq = NULL assigment]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net/wireless/scan.c')
| -rw-r--r-- | net/wireless/scan.c | 14 |
1 files changed, 5 insertions, 9 deletions
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; |