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

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Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
This commit is contained in:
Kevin Wolf 2013-06-05 14:19:29 +02:00 committed by Stefan Hajnoczi
parent b6e356aa25
commit cf49a6a00c
1 changed files with 8 additions and 1 deletions
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9
qemu-io.c
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@ -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;
}