From: Ard Biesheuvel <ard.biesheuvel@linaro.org>
To: linux-efi@vger.kernel.org, Ingo Molnar <mingo@kernel.org>,
Thomas Gleixner <tglx@linutronix.de>,
"H . Peter Anvin" <hpa@zytor.com>
Cc: Jan Beulich <JBeulich@suse.com>,
Ard Biesheuvel <ard.biesheuvel@linaro.org>,
linux-kernel@vger.kernel.org, Jan Beulich <jbeulich@suse.com>,
Matt Fleming <matt@codeblueprint.co.uk>
Subject: [PATCH 5/5] efi: bgrt: use efi_mem_type()
Date: Fri, 25 Aug 2017 16:50:19 +0100 [thread overview]
Message-ID: <20170825155019.6740-6-ard.biesheuvel@linaro.org> (raw)
In-Reply-To: <20170825155019.6740-1-ard.biesheuvel@linaro.org>
From: Jan Beulich <JBeulich@suse.com>
Avoid effectively open-coding the function.
Signed-off-by: Jan Beulich <jbeulich@suse.com>
Cc: Matt Fleming <matt@codeblueprint.co.uk>
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
---
drivers/firmware/efi/efi-bgrt.c | 22 +---------------------
1 file changed, 1 insertion(+), 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;
}
--
2.11.0
next prev parent reply other threads:[~2017-08-25 15:59 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-08-25 15:50 [GIT PULL 0/5] more EFI changes for v4.14 Ard Biesheuvel
2017-08-25 15:50 ` [PATCH 1/5] efi/libstub: Enable reset attack mitigation Ard Biesheuvel
2017-08-26 7:58 ` [tip:efi/core] " tip-bot for Matthew Garrett
2017-08-25 15:50 ` [PATCH 2/5] efi/random: Increase size of firmware supplied randomness Ard Biesheuvel
2017-08-26 7:58 ` [tip:efi/core] " tip-bot for Ard Biesheuvel
2017-08-25 15:50 ` [PATCH 3/5] efi/reboot: Make function pointer orig_pm_power_off static Ard Biesheuvel
2017-08-26 7:58 ` [tip:efi/core] " tip-bot for Colin Ian King
2017-08-25 15:50 ` [PATCH 4/5] efi: move efi_mem_type() to common code Ard Biesheuvel
2017-08-26 7:59 ` [tip:efi/core] efi: Move " tip-bot for Jan Beulich
2017-08-25 15:50 ` Ard Biesheuvel [this message]
2017-08-26 7:59 ` [tip:efi/core] efi/bgrt: Use efi_mem_type() tip-bot for Jan Beulich
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