Re: [PATCH 2/6] hw/loader: Clean up global variable shadowing in rom_add_file()

[Ani Sinha]

> On 09-Oct-2023, at 3:17 PM, Philippe Mathieu-Daudé <philmd@linaro.org> wrote:
> 
> Fix:
> 
>  hw/core/loader.c:1073:27: error: declaration shadows a variable in the 
> global scope [-Werror,-Wshadow]
>                       bool option_rom, MemoryRegion *mr,
>                            ^
>  include/sysemu/sysemu.h:57:22: note: previous declaration is here
>  extern QEMUOptionRom option_rom[MAX_OPTION_ROMS];
>                       ^
> 
> Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
> ---
> include/hw/loader.h | 2 +-
> hw/core/loader.c    | 4 ++--
> 2 files changed, 3 insertions(+), 3 deletions(-)
> 
> diff --git a/include/hw/loader.h b/include/hw/loader.h
> index c4c14170ea..8685e27334 100644
> --- a/include/hw/loader.h
> +++ b/include/hw/loader.h
> @@ -272,7 +272,7 @@ void pstrcpy_targphys(const char *name,
> 
> ssize_t rom_add_file(const char *file, const char *fw_dir,
>                      hwaddr addr, int32_t bootindex,
> -                     bool option_rom, MemoryRegion *mr, AddressSpace *as);
> +                     bool has_option_rom, MemoryRegion *mr, AddressSpace 
> *as);

Should this be “no_option_rom” instead looking at this conditional

if ((!option_rom || mc->option_rom_has_mr) && mc->rom_file_has_mr) {
            data = rom_set_mr(rom, OBJECT(fw_cfg), devpath, true);
        } else {
            data = rom->data;
        }



> MemoryRegion *rom_add_blob(const char *name, const void *blob, size_t len,
>                            size_t max_len, hwaddr addr,
>                            const char *fw_file_name,
> diff --git a/hw/core/loader.c b/hw/core/loader.c
> index 4dd5a71fb7..7f0cbfb214 100644
> --- a/hw/core/loader.c
> +++ b/hw/core/loader.c
> @@ -1070,7 +1070,7 @@ static void *rom_set_mr(Rom *rom, Object *owner, const 
> char *name, bool ro)
> 
> ssize_t rom_add_file(const char *file, const char *fw_dir,
>                      hwaddr addr, int32_t bootindex,
> -                     bool option_rom, MemoryRegion *mr,
> +                     bool has_option_rom, MemoryRegion *mr,
>                      AddressSpace *as)
> {
>     MachineClass *mc = MACHINE_GET_CLASS(qdev_get_machine());
> @@ -1139,7 +1139,7 @@ ssize_t rom_add_file(const char *file, const char 
> *fw_dir,
>                  basename);
>         snprintf(devpath, sizeof(devpath), "/rom@%s", fw_file_name);
> 
> -        if ((!option_rom || mc->option_rom_has_mr) && mc->rom_file_has_mr) {
> +        if ((!has_option_rom || mc->option_rom_has_mr) && 
> mc->rom_file_has_mr) {
>             data = rom_set_mr(rom, OBJECT(fw_cfg), devpath, true);
>         } else {
>             data = rom->data;
> -- 
> 2.41.0
>