---

yaml --- r: 166572 b: refs/heads/master c: 8503bd8 h: refs/heads/master v: v3
git-mirror · Sep 28, 2009 · e65eb5c · e65eb5c
1 parent 60dda14
commit e65eb5c
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Showing 2 changed files with 7 additions and 4 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 0ff716136ab73d2fc1edc0664e38169e7a76bb9a
+refs/heads/master: 8503bd8c7dc6f82ec2de9d05e0a476e6ca5adc8b
diff --git a/trunk/net/wireless/wext.c b/trunk/net/wireless/wext.c
@@ -773,10 +773,13 @@ static int ioctl_standard_iw_point(struct iw_point *iwp, unsigned int cmd,
 			essid_compat = 1;
 		else if (IW_IS_SET(cmd) && (iwp->length != 0)) {
 			char essid[IW_ESSID_MAX_SIZE + 1];
+			unsigned int len;
+			len = iwp->length * descr->token_size;
 
-			err = copy_from_user(essid, iwp->pointer,
-					     iwp->length *
-					     descr->token_size);
+			if (len > IW_ESSID_MAX_SIZE)
+				return -EFAULT;
+
+			err = copy_from_user(essid, iwp->pointer, len);
 			if (err)
 				return -EFAULT;