[PATCH] copy_to_user check for sgiserial

4a3d1910 · Dave Jones · Linus Torvalds · 1daf33ad · 4a3d1910
Commit 4a3d1910 authored May 14, 2003 by Dave Jones Committed by Linus Torvalds May 14, 2003
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drivers/sgi/char/sgiserial.c drivers/sgi/char/sgiserial.c +1 -1

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--- a/drivers/sgi/char/sgiserial.c
+++ b/drivers/sgi/char/sgiserial.c
@@ -1232,7 +1232,7 @@ static int get_serial_info(struct sgi_serial * info,
 	tmp.close_delay = info->close_delay;
 	tmp.closing_wait = info->closing_wait;
 	tmp.custom_divisor = info->custom_divisor;
-	return copy_to_user(retinfo,&tmp,sizeof(*retinfo));
+	return copy_to_user(retinfo,&tmp,sizeof(*retinfo)) ? -EFAULT : 0;
 }
 static int set_serial_info(struct sgi_serial * info,