ip/xfrm: Do not print a zero-length algorithm key

Signed-off-by: David Ward <david.ward@ll.mit.edu>

ip/xfrm: Do not print a zero-length algorithm key
Signed-off-by: David Ward <david.ward@ll.mit.edu>
8dbe67d2 · David Ward · Stephen Hemminger · 6128fdfd · 8dbe67d2
Commit 8dbe67d2 authored Mar 25, 2013 by David Ward Committed by Stephen Hemminger Mar 28, 2013
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Showing with 7 additions and 5 deletions

ip/ipxfrm.c ip/ipxfrm.c +7 -5

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--- a/ip/ipxfrm.c
+++ b/ip/ipxfrm.c
@@ -536,12 +536,14 @@ static void __xfrm_algo_print(struct xfrm_algo *algo, int type, int len,
 		goto fin;
 	}
-	fprintf(fp, "0x");
+	if (keylen > 0) {
-	for (i = 0; i < keylen; i ++)
+		fprintf(fp, "0x");
-		fprintf(fp, "%.2x", (unsigned char)algo->alg_key[i]);
+		for (i = 0; i < keylen; i ++)
+			fprintf(fp, "%.2x", (unsigned char)algo->alg_key[i]);
-	if (show_stats > 0)
+		if (show_stats > 0)
-		fprintf(fp, " (%d bits)", algo->alg_key_len);
+			fprintf(fp, " (%d bits)", algo->alg_key_len);
+	}
 fin:
 	if (newline)