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ACPI: blacklist: fix clang warning for unused DMI table 

When CONFIG_DMI is disabled, we only have a tentative declaration,
which causes a warning from clang:

drivers/acpi/blacklist.c:20:35: error: tentative array definition assumed to have one element [-Werror]
static const struct dmi_system_id acpi_rev_dmi_table[] __initconst;

As the variable is not actually used here, hide it entirely
in an #ifdef to shut up the warning.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Nathan Chancellor <natechancellor@gmail.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Arnd Bergmann 2019-07-10 15:05:43 +02:00 committed by Rafael J. Wysocki
parent 4b4704520d
commit b80d6a42bd
1 changed files with 4 additions and 0 deletions
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4
drivers/acpi/blacklist.c
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@ -17,7 +17,9 @@
#include "internal.h"
#ifdef CONFIG_DMI
static const struct dmi_system_id acpi_rev_dmi_table[] __initconst;
#endif
/*
* POLICY: If *anything* doesn't work, put it on the blacklist.
@ -61,7 +63,9 @@ int __init acpi_blacklisted(void)
}
(void)early_acpi_osi_init();
#ifdef CONFIG_DMI
dmi_check_system(acpi_rev_dmi_table);
#endif
return blacklisted;
}