diff options
Diffstat (limited to 'lib/bitmap.c')
| -rw-r--r-- | lib/bitmap.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/lib/bitmap.c b/lib/bitmap.c index 26ebafa8c41d..2c9242e3fed0 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; |