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powerpc/prom: Fix unused variable ‘reserve_map’ when CONFIG_PPC32 is not set

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This fixes a compile error with W=1.

arch/powerpc/kernel/prom.c: In function ‘early_reserve_mem’:
arch/powerpc/kernel/prom.c:625:10: error: variable ‘reserve_map’ set but not used [-Werror=unused-but-set-variable]
  __be64 *reserve_map;
          ^~~~~~~~~~~
cc1: all warnings being treated as errors

Signed-off-by: Cédric Le Goater <clg@kaod.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20210823090039.166120-2-clg@kaod.org
This commit is contained in:
Cédric Le Goater 2021-08-23 11:00:38 +02:00 committed by Michael Ellerman
parent a00ea5b6f2
commit 3accc0faef
1 changed files with 3 additions and 2 deletions
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5
arch/powerpc/kernel/prom.c
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@ -640,7 +640,9 @@ static void __init early_reserve_mem(void)
}
#endif /* CONFIG_BLK_DEV_INITRD */
#ifdef CONFIG_PPC32
if (!IS_ENABLED(CONFIG_PPC32))
return;
/*
* Handle the case where we might be booting from an old kexec
* image that setup the mem_rsvmap as pairs of 32-bit values
@ -661,7 +663,6 @@ static void __init early_reserve_mem(void)
}
return;
}
#endif
}
#ifdef CONFIG_PPC_TRANSACTIONAL_MEM