[PATCH 1/3] [MTD] physmap.c: Check return of platform_device_register()
Sergei Shtylyov
sshtylyov at ru.mvista.com
Wed Sep 17 15:46:53 EDT 2008
I just wrote:
>>> The PHYSMAP_COMPAT code had been ignoring the return value of
>>> platform_device_register() in the physmap_init() function.
>>> Signed-off-by: Zev Weiss <zevweiss at gmail.com>
> [...]
>>> diff --git a/drivers/mtd/maps/physmap.c b/drivers/mtd/maps/physmap.c
>>> index 42d844f..6fba0d4 100644
>>> --- a/drivers/mtd/maps/physmap.c
>>> +++ b/drivers/mtd/maps/physmap.c
>>> @@ -312,7 +312,7 @@ static int __init physmap_init(void)
>>> err = platform_driver_register(&physmap_flash_driver);
>>> #ifdef PHYSMAP_COMPAT
>>> if (err == 0)
>>> - platform_device_register(&physmap_flash);
>>> + err = platform_device_register(&physmap_flash);
>>> #endif
>>>
>>> return err;
[...]
>> Presumably we should run platform_driver_unregister() if the
>> platform_device_register() failed.
> Why is that? There could be "normal" platform devices out there...
With that said, the patch is pointless (as already noted by Lennert).
WBR, Sergei
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