lkml.org 
[lkml]   [2013]   [May]   [7]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH] menuconfig: fix NULL pointer dereference when searching a symbol
Li, All,

On Tue, May 07, 2013 at 10:40:59AM +0800, Li Zefan wrote:
> Searching PPC_EFIKA results segmentation fault, and it's because
> get_symbol_prop() returns NULL.
>
> In this case CONFIG_PPC_EFIKA is defined in arch/powerpc/platforms/
> 52xx/Kconfig, so it won't be parsed if ARCH!=PPC, but menuconfig
> knows this symbol when it parses sound/soc/fsl/Kconfig:
>
> config SND_MPC52xx_SOC_EFIKA
> tristate "SoC AC97 Audio support for bbplan Efika and STAC9766"
> depends on PPC_EFIKA
>
> This bug was introduced by commit bcdedcc1afd6 ("menuconfig: print more
> info for symbol without prompts").
>
> Reported-by: Borislav Petkov <bp@alien8.de>
> Signed-off-by: Li Zefan <lizefan@huawei.com>

Reviewed-by: "Yann E. MORIN" <yann.morin.1998@free.fr>

Michal, I'll get this in my tree, and will send a pull-request to you
later (I may have a few other smallish fixes shortly).

Regards,
Yann E. MORIN.

--
.-----------------.--------------------.------------------.--------------------.
| Yann E. MORIN | Real-Time Embedded | /"\ ASCII RIBBON | Erics' conspiracy: |
| +33 662 376 056 | Software Designer | \ / CAMPAIGN | ___ |
| +33 223 225 172 `------------.-------: X AGAINST | \e/ There is no |
| http://ymorin.is-a-geek.org/ | _/*\_ | / \ HTML MAIL | v conspiracy. |
'------------------------------^-------^------------------^--------------------'


\
 
 \ /
  Last update: 2013-05-07 16:02    [W:0.073 / U:0.044 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site