linux-kernel - [tip: efi/urgent] efi/libstub/x86: Remove redundant assignment to pointer hdr

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <158685245184.28353.12579708531664389093.tip-bot2@tip-bot2>
Date:   Tue, 14 Apr 2020 08:20:51 -0000
From:   "tip-bot2 for Colin Ian King" <tip-bot2@...utronix.de>
To:     linux-tip-commits@...r.kernel.org
Cc:     Colin Ian King <colin.king@...onical.com>,
        Ard Biesheuvel <ardb@...nel.org>,
        Ingo Molnar <mingo@...nel.org>, x86 <x86@...nel.org>,
        LKML <linux-kernel@...r.kernel.org>
Subject: [tip: efi/urgent] efi/libstub/x86: Remove redundant assignment to pointer hdr

The following commit has been merged into the efi/urgent branch of tip:

Commit-ID:     05a08796281feefcbe5cfdd67b48f5073d309aa8
Gitweb:        https://git.kernel.org/tip/05a08796281feefcbe5cfdd67b48f5073d309aa8
Author:        Colin Ian King <colin.king@...onical.com>
AuthorDate:    Thu, 09 Apr 2020 15:04:27 +02:00
Committer:     Ingo Molnar <mingo@...nel.org>
CommitterDate: Tue, 14 Apr 2020 08:32:12 +02:00

efi/libstub/x86: Remove redundant assignment to pointer hdr

The pointer hdr is being assigned a value that is never read and
it is being updated later with a new value. The assignment is
redundant and can be removed.

Addresses-Coverity: ("Unused value")
Signed-off-by: Colin Ian King <colin.king@...onical.com>
Signed-off-by: Ard Biesheuvel <ardb@...nel.org>
Signed-off-by: Ingo Molnar <mingo@...nel.org>
Link: https://lore.kernel.org/r/20200402102537.503103-1-colin.king@canonical.com
Link: https://lore.kernel.org/r/20200409130434.6736-3-ardb@kernel.org
---
 drivers/firmware/efi/libstub/x86-stub.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/drivers/firmware/efi/libstub/x86-stub.c b/drivers/firmware/efi/libstub/x86-stub.c
index 8d3a707..e02ea51 100644
--- a/drivers/firmware/efi/libstub/x86-stub.c
+++ b/drivers/firmware/efi/libstub/x86-stub.c
@@ -392,8 +392,6 @@ efi_status_t __efiapi efi_pe_entry(efi_handle_t handle,
 	image_base = efi_table_attr(image, image_base);
 	image_offset = (void *)startup_32 - image_base;
 
-	hdr = &((struct boot_params *)image_base)->hdr;
-
 	status = efi_allocate_pages(0x4000, (unsigned long *)&boot_params, ULONG_MAX);
 	if (status != EFI_SUCCESS) {
 		efi_printk("Failed to allocate lowmem for boot params\n");