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authorMatthias Kaehlcke <mka@chromium.org>2017-07-24 18:27:25 -0700
committerJessica Yu <jeyu@kernel.org>2017-07-29 23:39:23 +0200
commit0bf8bf50eddc7511b52461bae798cbfaa0157a34 (patch)
tree9fc326596f74eeac810ce1c12f87adc0fa1a6021 /scripts/mod
parent5279631271b32201243c60308a8987bd585e4460 (diff)
downloadlinux-0bf8bf50eddc7511b52461bae798cbfaa0157a34.tar.bz2
module: Remove const attribute from alias for MODULE_DEVICE_TABLE
MODULE_DEVICE_TABLE(type, name) creates an alias of type 'extern const typeof(name)'. If 'name' is already constant the 'const' attribute is specified twice, which is not allowed in C89 (see discussion at https://lkml.org/lkml/2017/5/23/1440). Since the kernel is built with -std=gnu89 clang generates warnings like this: drivers/thermal/x86_pkg_temp_thermal.c:509:1: warning: duplicate 'const' declaration specifier [-Wduplicate-decl-specifier] MODULE_DEVICE_TABLE(x86cpu, pkg_temp_thermal_ids); ^ ./include/linux/module.h:212:8: note: expanded from macro 'MODULE_DEVICE_TABLE' extern const typeof(name) __mod_##type##__##name##_device_table Remove the const attribute from the alias to avoid the duplicate specifier. After all it is only an alias and the attribute shouldn't have any effect. Signed-off-by: Matthias Kaehlcke <mka@chromium.org> Signed-off-by: Jessica Yu <jeyu@kernel.org>
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