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Re: [Qemu-devel] [Qemu-trivial] [PATCH v2 06/18] hw/nvram/fw_cfg: Remove


From: Laurent Vivier
Subject: Re: [Qemu-devel] [Qemu-trivial] [PATCH v2 06/18] hw/nvram/fw_cfg: Remove the unnecessary boot_splash_filedata_size
Date: Sat, 9 Mar 2019 15:53:49 +0100
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.8.0

On 08/03/2019 07:49, Thomas Huth wrote:
> On 08/03/2019 02.32, Philippe Mathieu-Daudé wrote:
>> The 'boot_splash_filedata_size' was introduced as a global variable
>> in 3d3b8303c6f. This variable is used as a 'size' argument to the
>> fw_cfg_add_file(). This function has an interface contract with his
>> 'data' argument, but there is no such contract for 'size' (this is
>> not a referenced pointer).  We can simply remove it.
>>
>> Signed-off-by: Philippe Mathieu-Daudé <address@hidden>
>> ---
>>  hw/nvram/fw_cfg.c       | 5 ++---
>>  include/sysemu/sysemu.h | 1 -
>>  vl.c                    | 1 -
>>  3 files changed, 2 insertions(+), 5 deletions(-)
>>
>> diff --git a/hw/nvram/fw_cfg.c b/hw/nvram/fw_cfg.c
>> index 8eb76a382c..b2dc0a80cb 100644
>> --- a/hw/nvram/fw_cfg.c
>> +++ b/hw/nvram/fw_cfg.c
>> @@ -217,15 +217,14 @@ static void fw_cfg_bootsplash(FWCfgState *s)
>>          }
>>          g_free(boot_splash_filedata);
>>          boot_splash_filedata = (uint8_t *)file_data;
>> -        boot_splash_filedata_size = file_size;
>>  
>>          /* insert data */
>>          if (file_type == JPG_FILE) {
>>              fw_cfg_add_file(s, "bootsplash.jpg",
>> -                    boot_splash_filedata, boot_splash_filedata_size);
>> +                            boot_splash_filedata, file_size);
>>          } else {
>>              fw_cfg_add_file(s, "bootsplash.bmp",
>> -                    boot_splash_filedata, boot_splash_filedata_size);
>> +                            boot_splash_filedata, file_size);
>>          }
>>          g_free(filename);
>>      }
>> diff --git a/include/sysemu/sysemu.h b/include/sysemu/sysemu.h
>> index 89604a8328..6065d9e420 100644
>> --- a/include/sysemu/sysemu.h
>> +++ b/include/sysemu/sysemu.h
>> @@ -110,7 +110,6 @@ extern int old_param;
>>  extern int boot_menu;
>>  extern bool boot_strict;
>>  extern uint8_t *boot_splash_filedata;
>> -extern size_t boot_splash_filedata_size;
>>  extern bool enable_mlock;
>>  extern bool enable_cpu_pm;
>>  extern QEMUClockType rtc_clock;
>> diff --git a/vl.c b/vl.c
>> index 4c5cc0d8ad..fad6fec38c 100644
>> --- a/vl.c
>> +++ b/vl.c
>> @@ -188,7 +188,6 @@ const char *prom_envs[MAX_PROM_ENVS];
>>  int boot_menu;
>>  bool boot_strict;
>>  uint8_t *boot_splash_filedata;
>> -size_t boot_splash_filedata_size;
>>  bool wakeup_suspend_enabled;
>>  
>>  int icount_align_option;
>>
> 
> Nice, one global variable less!
> 
> Reviewed-by: Thomas Huth <address@hidden>
> 

Applied to my trivial-patches branch.

Thanks,
Laurent



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