Commit cf49a6a0 authored by Kevin Wolf's avatar Kevin Wolf Committed by Stefan Hajnoczi
Browse files

qemu-io: Handle cvtnum() errors in 'alloc' 



Signed-off-by: default avatarKevin Wolf <kwolf@redhat.com>
Reviewed-by: default avatarEric Blake <eblake@redhat.com>
Signed-off-by: default avatarStefan Hajnoczi <stefanha@redhat.com>
parent b6e356aa

qemu-io.c

+8 −1
Original line number Diff line number Diff line
@@ -1596,7 +1596,10 @@ static int alloc_f(int argc, char **argv) 
    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;
@@ -1604,6 +1607,10 @@ static int alloc_f(int argc, char **argv) 


    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;

    }