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From: Hans de Goede <hdegoede@redhat.com>
To: Jeroen Hofstee <dasuboot@myspectrum.nl>,
	"Yann E. MORIN" <yann.morin.1998@free.fr>,
	u-boot@lists.denx.de
Cc: linux-kernel@vger.kernel.org, linux-kbuild@vger.kernel.org
Subject: Re: [U-Boot] [PATCH] kconfig: Fix compiler warning in menu.c
Date: Thu, 31 Jul 2014 23:32:35 +0200	[thread overview]
Message-ID: <53DAB5F3.9040609@redhat.com> (raw)
In-Reply-To: <53DAA2A0.3050205@myspectrum.nl>

Hi,

On 07/31/2014 10:10 PM, Jeroen Hofstee wrote:
> Hello Hans,
> 
> On 31-07-14 16:21, Hans de Goede wrote:
>> This fixes the following compiler warning:
>>
>> In file included from scripts/kconfig/zconf.tab.c:2537:0:
>> scripts/kconfig/menu.c: In function ‘get_symbol_str’:
>> scripts/kconfig/menu.c:590:18: warning: ‘jump’ may be used uninitialized in this function [-Wmaybe-uninitialized]
>>       jump->offset = strlen(r->s);
>>                    ^
>> In file included from scripts/kconfig/zconf.tab.c:2537:0:
>> scripts/kconfig/menu.c:551:19: note: ‘jump’ was declared here
>>    struct jump_key *jump;
>>
>> Signed-off-by: Hans de Goede <hdegoede@redhat.com>
>> ---
>>   scripts/kconfig/menu.c | 2 +-
>>   1 file changed, 1 insertion(+), 1 deletion(-)
>>
>> diff --git a/scripts/kconfig/menu.c b/scripts/kconfig/menu.c
>> index a26cc5d..584e0fc 100644
>> --- a/scripts/kconfig/menu.c
>> +++ b/scripts/kconfig/menu.c
>> @@ -548,7 +548,7 @@ static void get_prompt_str(struct gstr *r, struct property *prop,
>>   {
>>       int i, j;
>>       struct menu *submenu[8], *menu, *location = NULL;
>> -    struct jump_key *jump;
>> +    struct jump_key *jump = NULL;
>>         str_printf(r, _("Prompt: %s\n"), _(prop->text));
>>       menu = prop->menu->parent;
> 
> just curious, which compiler is this? Since it is a false positive.
> (and it could know)

[hans@shalem u-boot]$ rpm -q gcc
gcc-4.9.1-2.fc21.1.x86_64

Regards,

Hans

WARNING: multiple messages have this Message-ID (diff)
From: Hans de Goede <hdegoede@redhat.com>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH] kconfig: Fix compiler warning in menu.c
Date: Thu, 31 Jul 2014 23:32:35 +0200	[thread overview]
Message-ID: <53DAB5F3.9040609@redhat.com> (raw)
In-Reply-To: <53DAA2A0.3050205@myspectrum.nl>

Hi,

On 07/31/2014 10:10 PM, Jeroen Hofstee wrote:
> Hello Hans,
> 
> On 31-07-14 16:21, Hans de Goede wrote:
>> This fixes the following compiler warning:
>>
>> In file included from scripts/kconfig/zconf.tab.c:2537:0:
>> scripts/kconfig/menu.c: In function ?get_symbol_str?:
>> scripts/kconfig/menu.c:590:18: warning: ?jump? may be used uninitialized in this function [-Wmaybe-uninitialized]
>>       jump->offset = strlen(r->s);
>>                    ^
>> In file included from scripts/kconfig/zconf.tab.c:2537:0:
>> scripts/kconfig/menu.c:551:19: note: ?jump? was declared here
>>    struct jump_key *jump;
>>
>> Signed-off-by: Hans de Goede <hdegoede@redhat.com>
>> ---
>>   scripts/kconfig/menu.c | 2 +-
>>   1 file changed, 1 insertion(+), 1 deletion(-)
>>
>> diff --git a/scripts/kconfig/menu.c b/scripts/kconfig/menu.c
>> index a26cc5d..584e0fc 100644
>> --- a/scripts/kconfig/menu.c
>> +++ b/scripts/kconfig/menu.c
>> @@ -548,7 +548,7 @@ static void get_prompt_str(struct gstr *r, struct property *prop,
>>   {
>>       int i, j;
>>       struct menu *submenu[8], *menu, *location = NULL;
>> -    struct jump_key *jump;
>> +    struct jump_key *jump = NULL;
>>         str_printf(r, _("Prompt: %s\n"), _(prop->text));
>>       menu = prop->menu->parent;
> 
> just curious, which compiler is this? Since it is a false positive.
> (and it could know)

[hans at shalem u-boot]$ rpm -q gcc
gcc-4.9.1-2.fc21.1.x86_64

Regards,

Hans

  reply	other threads:[~2014-07-31 21:32 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-07-31 14:21 [PATCH] kconfig: Fix compiler warning in menu.c Hans de Goede
2014-07-31 14:21 ` [U-Boot] " Hans de Goede
2014-07-31 20:10 ` Jeroen Hofstee
2014-07-31 20:10   ` Jeroen Hofstee
2014-07-31 21:32   ` Hans de Goede [this message]
2014-07-31 21:32     ` Hans de Goede
2014-07-31 22:21 ` Jeroen Hofstee
2014-07-31 22:21   ` Jeroen Hofstee

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