2.2 - wanxl unchecked copy_to_user

PATCH New Arnaldo Carvalho de Melo 1 participant 1 message Dec 20, 2000 Network drivers

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Arnaldo Carvalho de Melo

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2000-12-20 00:32 UTC #0 lore raw

PATCH 1/1 2.2 - wanxl unchecked copy_to_user

Hi,

Please consider applying, there must well be other things to do on
this failure, please check.

- Arnaldo

drivers/net/wanxl.c +4 -1

@@ -1088,7 +1088,10 @@
 
 	writel(1, &card->config->valid);
   
-	copy_to_user(data, card->config, sizeof(board_cfg));
+	if (copy_to_user(data, card->config, sizeof(board_cfg))) {
+		wanxl_destroy_card(card, 0);
+		return -EFAULT;
+	}
 	*length=sizeof(board_cfg);
 	card->running=1;
 	return 0;

-
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