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path: root/drivers/net/wireless/rtlwifi/usb.c
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Diffstat (limited to 'drivers/net/wireless/rtlwifi/usb.c')
-rw-r--r--drivers/net/wireless/rtlwifi/usb.c13
1 files changed, 10 insertions, 3 deletions
diff --git a/drivers/net/wireless/rtlwifi/usb.c b/drivers/net/wireless/rtlwifi/usb.c
index ffcf89fe45e4..b0eee0eb5679 100644
--- a/drivers/net/wireless/rtlwifi/usb.c
+++ b/drivers/net/wireless/rtlwifi/usb.c
@@ -346,9 +346,14 @@ static int _rtl_usb_init(struct ieee80211_hw *hw)
pep_desc->bEndpointAddress, pep_desc->wMaxPacketSize,
pep_desc->bInterval);
}
- if (rtlusb->in_ep_nums < rtlpriv->cfg->usb_interface_cfg->in_ep_num)
- return -EINVAL ;
-
+ if (rtlusb->in_ep_nums < rtlpriv->cfg->usb_interface_cfg->in_ep_num) {
+ pr_err("Too few input end points found\n");
+ return -EINVAL;
+ }
+ if (rtlusb->out_ep_nums == 0) {
+ pr_err("No output end points found\n");
+ return -EINVAL;
+ }
/* usb endpoint mapping */
err = rtlpriv->cfg->usb_interface_cfg->usb_endpoint_mapping(hw);
rtlusb->usb_mq_to_hwq = rtlpriv->cfg->usb_interface_cfg->usb_mq_to_hwq;
@@ -976,6 +981,8 @@ int __devinit rtl_usb_probe(struct usb_interface *intf,
}
rtlpriv->cfg->ops->init_sw_leds(hw);
err = _rtl_usb_init(hw);
+ if (err)
+ goto error_out;
err = _rtl_usb_init_sw(hw);
/* Init mac80211 sw */
err = rtl_init_core(hw);