linux-kernel - [2.6.25 patch] fix broken error handling in ieee80211_sta_process_addba

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Message-ID: <20080219225852.GQ31955@cs181133002.pp.htv.fi>
Date:	Wed, 20 Feb 2008 00:58:52 +0200
From:	Adrian Bunk <bunk@...nel.org>
To:	Ron Rindjunsky <ron.rindjunsky@...el.com>,
	"John W. Linville" <linville@...driver.com>,
	"David S. Miller" <davem@...emloft.net>
Cc:	netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [2.6.25 patch] fix broken error handling in
	ieee80211_sta_process_addba_request()

The Coverity checker spotted this buggy error handling added by
commit 07db218396650933abff3c5c1ad1e2a6e0cfedeb.

Signed-off-by: Adrian Bunk <bunk@...nel.org>

---
6003e3d899a8fd6425ff509363b776f8807df25d diff --git a/net/mac80211/ieee80211_sta.c b/net/mac80211/ieee80211_sta.c
index 2019b4f..094565e 100644
--- a/net/mac80211/ieee80211_sta.c
+++ b/net/mac80211/ieee80211_sta.c
@@ -1116,9 +1116,10 @@ static void ieee80211_sta_process_addba_request(struct net_device *dev,
 	/* prepare reordering buffer */
 	tid_agg_rx->reorder_buf =
 		kmalloc(buf_size * sizeof(struct sk_buf *), GFP_ATOMIC);
-	if ((!tid_agg_rx->reorder_buf) && net_ratelimit()) {
-		printk(KERN_ERR "can not allocate reordering buffer "
-						"to tid %d\n", tid);
+	if (!tid_agg_rx->reorder_buf) {
+		if (net_ratelimit())
+			printk(KERN_ERR "can not allocate reordering buffer "
+							"to tid %d\n", tid);
 		goto end;
 	}
 	memset(tid_agg_rx->reorder_buf, 0,

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