diff options
Diffstat (limited to 'usr.sbin/btxld/btxld.c')
| -rw-r--r-- | usr.sbin/btxld/btxld.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/usr.sbin/btxld/btxld.c b/usr.sbin/btxld/btxld.c index f255fa5..43fa4a9 100644 --- a/usr.sbin/btxld/btxld.c +++ b/usr.sbin/btxld/btxld.c @@ -336,6 +336,8 @@ gethdr(int fd, struct hdr *hdr) if (sb.st_size > MAXU32) errx(1, "%s: Too big", fname); hdr->size = sb.st_size; + if (!hdr->size) + return; if ((p = mmap(NULL, hdr->size, PROT_READ, MAP_SHARED, fd, 0)) == MAP_FAILED) err(2, "%s", fname); |
