---

yaml
---
r: 121631
b: refs/heads/master
c: 2819f8a
h: refs/heads/master
i:
  121629: 430f4a8
  121627: 374dca7
  121623: a4d669a
  121615: 809bae1
  121599: a478c54
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: c5d3dce875ef055ed9b14f169cc967cc2c8faf1f
+refs/heads/master: 2819f8ad6da1e24b5dd94a221978e61f2a9c972a

trunk/net/wireless/lib80211.c

@@ -6,6 +6,7 @@
  */
 
 #include <linux/module.h>
+#include <linux/ctype.h>
 #include <linux/ieee80211.h>
 
 #include <net/lib80211.h>
@@ -20,19 +21,31 @@ MODULE_LICENSE("GPL");
 
 const char *escape_ssid(const char *ssid, u8 ssid_len)
 {
-	static char escaped[IEEE80211_MAX_SSID_LEN * 2 + 1];
+	static char escaped[IEEE80211_MAX_SSID_LEN * 4 + 1];
 	const char *s = ssid;
 	char *d = escaped;
 
 	ssid_len = min_t(u8, ssid_len, IEEE80211_MAX_SSID_LEN);
 	while (ssid_len--) {
-		if (*s == '\0') {
-			*d++ = '\\';
-			*d++ = '0';
-			s++;
-		} else {
+		if (isprint(*s)) {
 			*d++ = *s++;
+			continue;
 		}
+
+		*d++ = '\\';
+		if (*s == '\0')
+			*d++ = '0';
+		else if (*s == '\n')
+			*d++ = 'n';
+		else if (*s == '\r')
+			*d++ = 'r';
+		else if (*s == '\t')
+			*d++ = 't';
+		else if (*s == '\\')
+			*d++ = '\\';
+		else
+			d += snprintf(d, 3, "%03o", *s);
+		s++;
 	}
 	*d = '\0';
 	return escaped;