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author | Li Zefan <lizefan@huawei.com> | 2013-05-07 15:56:54 +0200 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2013-05-07 07:55:36 -0700 |
commit | 383da76f5261637b8beacb99a83f5834b14fc432 (patch) | |
tree | d22fc5e9d1f8f2ae11b367caf9cbc11fc81cb3bb /net/Makefile | |
parent | 2a437cd36e627752e9cac71bfec6293f1e4e4144 (diff) | |
download | linux-383da76f5261637b8beacb99a83f5834b14fc432.tar.gz |
menuconfig: fix NULL pointer dereference when searching a symbol
Searching for PPC_EFIKA results in a 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-and-tested-by: Borislav Petkov <bp@alien8.de> Signed-off-by: Li Zefan <lizefan@huawei.com> Tested-by: Libo Chen <libo.chen@huawei.com> Reviewed-by: "Yann E. MORIN" <yann.morin.1998@free.fr> Signed-off-by: Michal Marek <mmarek@suse.cz> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'net/Makefile')
0 files changed, 0 insertions, 0 deletions