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authorBing Zhao <bzhao@marvell.com>2012-10-20 04:02:00 +0200
committerJohn W. Linville <linville@tuxdriver.com>2012-10-24 19:18:09 +0200
commit6fcf2b10533bf51c67f0286ddba16e958e7ed972 (patch)
tree3083933bb30176bbfd8bc0343d15bae662e114dd
parentmwifiex: return -EBUSY if specific scan request cannot be honored (diff)
downloadlinux-6fcf2b10533bf51c67f0286ddba16e958e7ed972.tar.xz
linux-6fcf2b10533bf51c67f0286ddba16e958e7ed972.zip
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>
-rw-r--r--drivers/net/wireless/mwifiex/cfg80211.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/net/wireless/mwifiex/cfg80211.c b/drivers/net/wireless/mwifiex/cfg80211.c
index 0679458a1bac..780d3e168297 100644
--- a/drivers/net/wireless/mwifiex/cfg80211.c
+++ b/drivers/net/wireless/mwifiex/cfg80211.c
@@ -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;
}