[Patch] Memory leak in drivers/net/irda/via-ircc.c

[Eric Sesterhenn]

hi,

this was spotted by coverity (id #653). whenever (len-4<2) we
leak the allocated skb. 

Signed-off-by: Eric Sesterhenn <snakebyte@xxxxxx>

--- linux-2.6.17-git2/drivers/net/irda/via-ircc.c.orig	2006-06-18 03:49:35.000000000 +0200
+++ linux-2.6.17-git2/drivers/net/irda/via-ircc.c	2006-06-21 17:02:13.000000000 +0200
@@ -1220,8 +1220,13 @@ static int upload_rxdata(struct via_ircc
 
 	IRDA_DEBUG(2, "%s(): len=%x\n", __FUNCTION__, len);
 
+	if ((len - 4) < 2 ) {
+		self->stats.rx_dropped++;
+		return FALSE;
+	}
+
 	skb = dev_alloc_skb(len + 1);
-	if ((skb == NULL) || ((len - 4) < 2)) {
+	if (skb == NULL) {
 		self->stats.rx_dropped++;
 		return FALSE;
 	}


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