* [PATCH] missing copy_to_user check in pc300 wan driver
@ 2003-08-11 15:59 davej
0 siblings, 0 replies; only message in thread
From: davej @ 2003-08-11 15:59 UTC (permalink / raw)
To: torvalds; +Cc: linux-kernel
diff -urpN --exclude-from=/home/davej/.exclude bk-linus/drivers/net/wan/pc300_drv.c linux-2.5/drivers/net/wan/pc300_drv.c
--- bk-linus/drivers/net/wan/pc300_drv.c 2003-08-04 01:00:28.000000000 +0100
+++ linux-2.5/drivers/net/wan/pc300_drv.c 2003-08-06 18:59:40.000000000 +0100
@@ -2623,7 +2623,8 @@ int cpc_ioctl(struct net_device *dev, st
sizeof(struct net_device_stats));
if (card->hw.type == PC300_TE)
memcpy(&pc300stats.te_stats,&chan->falc,sizeof(falc_t));
- copy_to_user(arg, &pc300stats, sizeof(pc300stats_t));
+ if (copy_to_user(arg, &pc300stats, sizeof(pc300stats_t)))
+ return -EFAULT;
}
return 0;
}
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2003-08-11 15:59 [PATCH] missing copy_to_user check in pc300 wan driver davej
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