On Fri, Nov 23, 2012 at 07:12:17PM +0100, Markus Armbruster wrote:
> diff --git a/hw/pc_sysfw.c b/hw/pc_sysfw.c
> index 9d7c5f4..066c4fe 100644
> --- a/hw/pc_sysfw.c
> +++ b/hw/pc_sysfw.c
> @@ -84,6 +84,11 @@ static void pc_fw_add_pflash_drv(void)
> bios_name = BIOS_FILENAME;
> }
> filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name);
> + if (!filename) {
> + error_report("Can't open BIOS image %s: %s",
> + bios_name, strerror(errno));
qemu_find_file() does not document that errno is set when returning
NULL. I can't find other callers to qemu_find_file() that use errno
either.
Please add a doc comment to qemu_find_file() that errno will be set on
NULL return, otherwise we can't rely on it in the caller.
Stefan