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Subject[PATCH] acpi: blacklist: fix clang warning for unused dmi table
Date
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>
---
drivers/acpi/blacklist.c | 4 ++++
1 file changed, 4 insertions(+)

diff --git a/drivers/acpi/blacklist.c b/drivers/acpi/blacklist.c
index ad2c565f5cbe..a86a770c9b79 100644
--- a/drivers/acpi/blacklist.c
+++ b/drivers/acpi/blacklist.c
@@ -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;
}
--
2.20.0
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