firewire: fix compiler warnings on 64bit
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
Signed-off-by: Kristian Høgsberg <krh@redhat.com>
diff --git a/drivers/firewire/fw-device-cdev.c b/drivers/firewire/fw-device-cdev.c
index b1b7edb..f9f2688 100644
--- a/drivers/firewire/fw-device-cdev.c
+++ b/drivers/firewire/fw-device-cdev.c
@@ -274,10 +274,11 @@
if (get_info.rom != 0) {
void __user *uptr = u64_to_uptr(get_info.rom);
- size_t length = min(get_info.rom_length,
- client->device->config_rom_length * 4);
+ size_t want = get_info.rom_length;
+ size_t have = client->device->config_rom_length * 4;
- if (copy_to_user(uptr, client->device->config_rom, length))
+ if (copy_to_user(uptr, client->device->config_rom,
+ min(want, have)))
return -EFAULT;
}
get_info.rom_length = client->device->config_rom_length * 4;