Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
int ret;
offset = cvtnum(argv[1]);
- if (offset & 0x1ff) {
+ if (offset < 0) {
+ printf("non-numeric offset argument -- %s\n", argv[1]);
+ return 0;
+ } else if (offset & 0x1ff) {
printf("offset %" PRId64 " is not sector aligned\n",
offset);
return 0;
if (argc == 3) {
nb_sectors = cvtnum(argv[2]);
+ if (nb_sectors < 0) {
+ printf("non-numeric length argument -- %s\n", argv[2]);
+ return 0;
+ }
} else {
nb_sectors = 1;
}