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authorTaku Izumi <[email protected]>2015-10-23 11:48:17 +0200
committerIngo Molnar <[email protected]>2015-10-28 12:28:06 +0100
commit78b9bc947b18ed16b6c2c573d774e6d54ad9452d (patch)
treebbbd2cc8e5bdcb47c49c8dcedbf29ef6b571bb4c
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 <[email protected]> Signed-off-by: Taku Izumi <[email protected]> [ Removed void* cast, updated commit log] Signed-off-by: Ard Biesheuvel <[email protected]> Reviewed-by: Matt Fleming <[email protected]> Cc: Linus Torvalds <[email protected]> Cc: Peter Zijlstra <[email protected]> Cc: Thomas Gleixner <[email protected]> Cc: [email protected] Cc: [email protected] Cc: [email protected] Link: http://lkml.kernel.org/r/[email protected] Signed-off-by: Ingo Molnar <[email protected]>
-rw-r--r--drivers/firmware/efi/fake_mem.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/firmware/efi/fake_mem.c b/drivers/firmware/efi/fake_mem.c
index 32bcb14df2c8..ed3a854950cc 100644
--- a/drivers/firmware/efi/fake_mem.c
+++ b/drivers/firmware/efi/fake_mem.c
@@ -59,7 +59,7 @@ void __init efi_fake_memmap(void)
u64 start, end, m_start, m_end, m_attr;
int new_nr_map = memmap.nr_map;
efi_memory_desc_t *md;
- u64 new_memmap_phy;
+ phys_addr_t new_memmap_phy;
void *new_memmap;
void *old, *new;
int i;
@@ -183,7 +183,7 @@ void __init efi_fake_memmap(void)
/* swap into new EFI memmap */
efi_unmap_memmap();
memmap.map = new_memmap;
- memmap.phys_map = (void *)new_memmap_phy;
+ memmap.phys_map = new_memmap_phy;
memmap.nr_map = new_nr_map;
memmap.map_end = memmap.map + memmap.nr_map * memmap.desc_size;
set_bit(EFI_MEMMAP, &efi.flags);