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authorTaku Izumi <izumi.taku@jp.fujitsu.com>2015-10-23 11:48:17 +0200
committerIngo Molnar <mingo@kernel.org>2015-10-28 12:28:06 +0100
commit78b9bc947b18ed16b6c2c573d774e6d54ad9452d (patch)
treebbbd2cc8e5bdcb47c49c8dcedbf29ef6b571bb4c /Documentation
parent44511fb9e55ada760822b0b0d7be9d150576f17f (diff)
efi: Fix warning of int-to-pointer-cast on x86 32-bit builds
Commit: 0f96a99dab36 ("efi: Add "efi_fake_mem" boot option") introduced the following warning message: drivers/firmware/efi/fake_mem.c:186:20: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast] new_memmap_phy was defined as a u64 value and cast to void*, causing a int-to-pointer-cast warning on x86 32-bit builds. However, since the void* type is inappropriate for a physical address, the definition of struct efi_memory_map::phys_map has been changed to phys_addr_t in the previous patch, and so the cast can be dropped entirely. This patch also changes the type of the "new_memmap_phy" variable from "u64" to "phys_addr_t" to align with the types of memblock_alloc() and struct efi_memory_map::phys_map. Reported-by: Ingo Molnar <mingo@kernel.org> Signed-off-by: Taku Izumi <izumi.taku@jp.fujitsu.com> [ Removed void* cast, updated commit log] Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org> Reviewed-by: Matt Fleming <matt@codeblueprint.co.uk> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: kamezawa.hiroyu@jp.fujitsu.com Cc: linux-efi@vger.kernel.org Cc: matt.fleming@intel.com Link: http://lkml.kernel.org/r/1445593697-1342-2-git-send-email-ard.biesheuvel@linaro.org Signed-off-by: Ingo Molnar <mingo@kernel.org>
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