From: Sebastian Mitterle <[email protected]> A zero value for dpi will lead to a division by zero in qemu_edid_dpi_to_mm(). Tested by runnig qemu-edid -dX, X = 0, 100.
Resolves: qemu-project/qemu#1249 Suggested-by: Thomas Huth <[email protected]> Signed-off-by: Sebastian Mitterle <[email protected]> Message-Id: <[email protected]> Signed-off-by: Gerd Hoffmann <[email protected]> --- qemu-edid.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/qemu-edid.c b/qemu-edid.c index 20c958d9c7eb..92e1a660a76b 100644 --- a/qemu-edid.c +++ b/qemu-edid.c @@ -92,6 +92,10 @@ int main(int argc, char *argv[]) fprintf(stderr, "not a number: %s\n", optarg); exit(1); } + if (dpi == 0) { + fprintf(stderr, "cannot be zero: %s\n", optarg); + exit(1); + } break; case 'v': info.vendor = optarg; -- 2.37.3
