X-Git-Url: http://git.rot13.org/?a=blobdiff_plain;f=lib%2Fbitmap.c;h=2c9242e3fed01ca348b4171db2c0d89333fa357e;hb=3fd94c6b1a1158d3e0e505b0a00c3a707b5fcd40;hp=26ebafa8c41d7e0ff602c0d2137a8ea284bb1ae5;hpb=b643b0fdbc59cf6bbb086974b29d2571e9e9f646;p=powerpc.git

diff --git a/lib/bitmap.c b/lib/bitmap.c
index 26ebafa8c4..2c9242e3fe 100644
--- a/lib/bitmap.c
+++ b/lib/bitmap.c
@@ -469,6 +469,10 @@ int bitmap_scnlistprintf(char *buf, unsigned int buflen,
 	/* current bit is 'cur', most recently seen range is [rbot, rtop] */
 	int cur, rbot, rtop;
 
+	if (buflen == 0)
+		return 0;
+	buf[0] = 0;
+
 	rbot = cur = find_first_bit(maskp, nmaskbits);
 	while (cur < nmaskbits) {
 		rtop = cur;