mac80211_hwsim: Check return value of driver_register
From: Martin Pitt
Date: Wed Apr 10 2013 - 12:40:36 EST
If driver_register() fails, properly exit with the same error code.
Signed-off-by: Martin Pitt <martin.pitt@xxxxxxxxxx>
---
drivers/net/wireless/mac80211_hwsim.c | 7 ++++++-
1 files changed, 6 insertions(+), 1 deletions(-)
diff --git a/drivers/net/wireless/mac80211_hwsim.c b/drivers/net/wireless/mac80211_hwsim.c
index 57361c3..a2224b7 100644
--- a/drivers/net/wireless/mac80211_hwsim.c
+++ b/drivers/net/wireless/mac80211_hwsim.c
@@ -2183,7 +2183,12 @@ static int __init init_mac80211_hwsim(void)
if (IS_ERR(hwsim_class))
return PTR_ERR(hwsim_class);
- driver_register(&mac80211_hwsim_driver);
+ err = driver_register(&mac80211_hwsim_driver);
+ if (err != 0) {
+ printk(KERN_DEBUG
+ "mac80211_hwsim: driver_register failed (%d)\n", err);
+ return err;
+ }
memset(addr, 0, ETH_ALEN);
addr[0] = 0x02;
--
1.7.2.5
--
Martin Pitt | http://www.piware.de
Ubuntu Developer (www.ubuntu.com) | Debian Developer (www.debian.org)
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