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Re: [PATCH v2] wireless: ipw2100: check result of kzalloc()

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If kzalloc() fails return with -ENOMEM from ipw2100_net_init() which is
called by register_netdev.

CC: Dan Carpenter <error27@xxxxxxxxx>
Signed-off-by: Christoph Fritz <chf.fritz@xxxxxxxxxxxxxx>
---
 drivers/net/wireless/ipw2x00/ipw2100.c |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/drivers/net/wireless/ipw2x00/ipw2100.c b/drivers/net/wireless/ipw2x00/ipw2100.c
index 0bd4dfa..cbec02a 100644
--- a/drivers/net/wireless/ipw2x00/ipw2100.c
+++ b/drivers/net/wireless/ipw2x00/ipw2100.c
@@ -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;
-- 
1.7.1



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