wireless: ipw2100: check result of kzalloc()
If kzalloc() fails return with -ENOMEM from ipw2100_net_init() which is
called by register_netdev.
CC: Dan Carpenter <error27@gmail.com>
Signed-off-by: Christoph Fritz <chf.fritz@googlemail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/ipw2x00/ipw2100.c b/drivers/net/wireless/ipw2x00/ipw2100.c
index 5bbff4c..a146240 100644
--- a/drivers/net/wireless/ipw2x00/ipw2100.c
+++ b/drivers/net/wireless/ipw2x00/ipw2100.c
@@ -1924,6 +1924,10 @@
bg_band->channels =
kzalloc(geo->bg_channels *
sizeof(struct ieee80211_channel), GFP_KERNEL);
+ if (!bg_band->channels) {
+ ipw2100_down(priv);
+ return -ENOMEM;
+ }
/* translate geo->bg to bg_band.channels */
for (i = 0; i < geo->bg_channels; i++) {
bg_band->channels[i].band = IEEE80211_BAND_2GHZ;