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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>
This commit is contained in:
Christoph Fritz 2010-08-03 12:54:20 +02:00 committed by John W. Linville
parent c8f3b72133
commit 93c0584ca9
1 changed files with 4 additions and 0 deletions
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4
drivers/net/wireless/ipw2x00/ipw2100.c
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@ -1924,6 +1924,10 @@ static int ipw2100_net_init(struct net_device *dev)
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;