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mwifiex: clean up scan state on error 

De-reference and deallocate scan state on failure.

Signed-off-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: Paul Stewart <pstew@chromium.org>
Tested-by: Paul Stewart <pstew@chromium.org>
Reviewed-by: Ryan Cairns <rtc@chromium.org>
Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Bing Zhao 2012-10-19 19:02:00 -07:00 committed by John W. Linville
parent dcd5c79c9a
commit 6fcf2b1053
1 changed files with 5 additions and 2 deletions
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7
drivers/net/wireless/mwifiex/cfg80211.c
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@ -1825,8 +1825,6 @@ mwifiex_cfg80211_scan(struct wiphy *wiphy,
return -EBUSY;
}
priv->scan_request = request;
priv->user_scan_cfg = kzalloc(sizeof(struct mwifiex_user_scan_cfg),
GFP_KERNEL);
if (!priv->user_scan_cfg) {
@ -1834,6 +1832,8 @@ mwifiex_cfg80211_scan(struct wiphy *wiphy,
return -ENOMEM;
}
priv->scan_request = request;
priv->user_scan_cfg->num_ssids = request->n_ssids;
priv->user_scan_cfg->ssid_list = request->ssids;
@ -1870,6 +1870,9 @@ mwifiex_cfg80211_scan(struct wiphy *wiphy,
ret = mwifiex_scan_networks(priv, priv->user_scan_cfg);
if (ret) {
dev_err(priv->adapter->dev, "scan failed: %d\n", ret);
priv->scan_request = NULL;
kfree(priv->user_scan_cfg);
priv->user_scan_cfg = NULL;
return ret;
}