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mwifiex: reset scan_processing flag in failure cases 

scan_processing flag should be reset when scan request is failed
due to some reasons Ex. memory allocation failure etc. Otherwise
further scan requests will be blocked.

Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Amitkumar Karwar 2012-10-05 20:21:41 -07:00 committed by John W. Linville
parent c247633531
commit 061f2e69fe
1 changed files with 10 additions and 6 deletions
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16
drivers/net/wireless/mwifiex/scan.c
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@ -1327,7 +1327,8 @@ int mwifiex_scan_networks(struct mwifiex_private *priv,
GFP_KERNEL);
if (!scan_cfg_out) {
dev_err(adapter->dev, "failed to alloc scan_cfg_out\n");
return -ENOMEM;
ret = -ENOMEM;
goto done;
}
buf_size = sizeof(struct mwifiex_chan_scan_param_set) *
@ -1336,7 +1337,8 @@ int mwifiex_scan_networks(struct mwifiex_private *priv,
if (!scan_chan_list) {
dev_err(adapter->dev, "failed to alloc scan_chan_list\n");
kfree(scan_cfg_out);
return -ENOMEM;
ret = -ENOMEM;
goto done;
}
mwifiex_config_scan(priv, user_scan_in, &scan_cfg_out->config,
@ -1364,14 +1366,16 @@ int mwifiex_scan_networks(struct mwifiex_private *priv,
spin_unlock_irqrestore(&adapter->scan_pending_q_lock,
flags);
}
} else {
spin_lock_irqsave(&adapter->mwifiex_cmd_lock, flags);
adapter->scan_processing = true;
spin_unlock_irqrestore(&adapter->mwifiex_cmd_lock, flags);
}
kfree(scan_cfg_out);
kfree(scan_chan_list);
done:
if (ret) {
spin_lock_irqsave(&adapter->mwifiex_cmd_lock, flags);
adapter->scan_processing = false;
spin_unlock_irqrestore(&adapter->mwifiex_cmd_lock, flags);
}
return ret;
}