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authorM. Vefa Bicakci <m.v.b@runbox.com>2019-08-03 06:02:12 -0400
committerMasahiro Yamada <yamada.masahiro@socionext.com>2019-08-04 12:44:15 +0900
commit0c5b6c28ed68becb692b43eae5e44d5aa7e160ce (patch)
treec0325f0a0b1c7c5c60f2b7b7d07ab752f2ccde93 /lib
parente8de12fb7cde2c85bc31097cd098da79a4818305 (diff)
downloadlinux-0c5b6c28ed68becb692b43eae5e44d5aa7e160ce.tar.bz2
kconfig: Clear "written" flag to avoid data loss
Prior to this commit, starting nconfig, xconfig or gconfig, and saving the .config file more than once caused data loss, where a .config file that contained only comments would be written to disk starting from the second save operation. This bug manifests itself because the SYMBOL_WRITTEN flag is never cleared after the first call to conf_write, and subsequent calls to conf_write then skip all of the configuration symbols due to the SYMBOL_WRITTEN flag being set. This commit resolves this issue by clearing the SYMBOL_WRITTEN flag from all symbols before conf_write returns. Fixes: 8e2442a5f86e ("kconfig: fix missing choice values in auto.conf") Cc: linux-stable <stable@vger.kernel.org> # 4.19+ Signed-off-by: M. Vefa Bicakci <m.v.b@runbox.com> Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Diffstat (limited to 'lib')
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