kbuild: Fix <linux/version.h> for empty SUBLEVEL or PATCHLEVEL again
Commit 78d3bb44 ("kbuild: Fix <linux/version.h> for empty SUBLEVEL or PATCHLEVEL") fixed the build error for empty SUBLEVEL or PATCHLEVEL by prepending a zero. Commit 9b82f13e ("kbuild: clamp SUBLEVEL to 255") re-introduced this issue. This time, we cannot take the same approach because we have C code: #define LINUX_VERSION_PATCHLEVEL $(PATCHLEVEL) #define LINUX_VERSION_SUBLEVEL $(SUBLEVEL) Replace empty SUBLEVEL/PATCHLEVEL with a zero. Fixes: 9b82f13e ("kbuild: clamp SUBLEVEL to 255") Reported-by: Christian Zigotzky <chzigotzky@xenosoft.de> Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> Reviewed-and-tested-by: Sasha Levin <sashal@kernel.org>
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