Re: [PATCH v1 2/3] scsi: ufs-qcom: fix compilation warning if compiled as a module

From: ygardi
Date: Wed May 20 2015 - 09:50:02 EST


> On Tue, 2015-05-19 at 16:47 +0300, Yaniv Gardi wrote:
>> --- a/drivers/scsi/ufs/ufs-qcom.c
>> +++ b/drivers/scsi/ufs/ufs-qcom.c
>> @@ -885,7 +885,7 @@ out:
>>
>> #define ANDROID_BOOT_DEV_MAX 30
>> static char android_boot_dev[ANDROID_BOOT_DEV_MAX];
>> -static int get_android_boot_dev(char *str)
>> +static int __maybe_unused get_android_boot_dev(char *str)
>> {
>> strlcpy(android_boot_dev, str, ANDROID_BOOT_DEV_MAX);
>> return 1;
>
> Wouldn't it be clearer to wrap these few lines (until after the
> __setup() macro) with #ifndef MODULE?
>
> And I think get_android_boot_dev() could be marked __init. Because if
> it's built-in it will never be called after the kernel has finished
> booting, right?
>

That's correct. I will upload an update to this patch.
I accept both comments
#ifndef MODULE is indeed clearer
and __init flag as well, since get_android_boot_dev() will not be called
again after booting finished.

>
> Paul Bolle
>
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