summaryrefslogtreecommitdiffstats
path: root/drivers/firmware
diff options
context:
space:
mode:
authorJan Beulich <JBeulich@suse.com>2017-08-25 16:50:19 +0100
committerIngo Molnar <mingo@kernel.org>2017-08-26 09:20:33 +0200
commit6de47a5e371f75f80544986e6c9636211a2ae8af (patch)
tree684d8b5627dffb12e54b1ed26b63fd4cfb4b4714 /drivers/firmware
parent23f0571c9fd184504f7a2f27011750e0ad99bb73 (diff)
downloadlinux-6de47a5e371f75f80544986e6c9636211a2ae8af.tar.bz2
efi/bgrt: Use efi_mem_type()
Avoid effectively open-coding the function. Signed-off-by: Jan Beulich <jbeulich@suse.com> Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org> Cc: Jan Beulich <JBeulich@suse.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Matt Fleming <matt@codeblueprint.co.uk> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: linux-efi@vger.kernel.org Link: http://lkml.kernel.org/r/20170825155019.6740-6-ard.biesheuvel@linaro.org Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/firmware')
-rw-r--r--drivers/firmware/efi/efi-bgrt.c22
1 files changed, 1 insertions, 21 deletions
diff --git a/drivers/firmware/efi/efi-bgrt.c b/drivers/firmware/efi/efi-bgrt.c
index b58233e4ed71..50793fda7819 100644
--- a/drivers/firmware/efi/efi-bgrt.c
+++ b/drivers/firmware/efi/efi-bgrt.c
@@ -27,26 +27,6 @@ struct bmp_header {
u32 size;
} __packed;
-static bool efi_bgrt_addr_valid(u64 addr)
-{
- efi_memory_desc_t *md;
-
- for_each_efi_memory_desc(md) {
- u64 size;
- u64 end;
-
- if (md->type != EFI_BOOT_SERVICES_DATA)
- continue;
-
- size = md->num_pages << EFI_PAGE_SHIFT;
- end = md->phys_addr + size;
- if (addr >= md->phys_addr && addr < end)
- return true;
- }
-
- return false;
-}
-
void __init efi_bgrt_init(struct acpi_table_header *table)
{
void *image;
@@ -85,7 +65,7 @@ void __init efi_bgrt_init(struct acpi_table_header *table)
goto out;
}
- if (!efi_bgrt_addr_valid(bgrt->image_address)) {
+ if (efi_mem_type(bgrt->image_address) != EFI_BOOT_SERVICES_DATA) {
pr_notice("Ignoring BGRT: invalid image address\n");
goto out;
}