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Fri, 10 Oct 2025 03:44:11 -0700 (PDT) From: Breno Leitao Date: Fri, 10 Oct 2025 03:44:04 -0700 Subject: [PATCH v3] efi/memattr: Convert efi_memattr_init() return type to void Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20251010-efi_fw_bug-v3-1-78259db0f39a@debian.org> X-B4-Tracking: v=1; b=H4sIAHTj6GgC/23MQQ6CMBBA0as0s6ZmpkK1rLyHMaSFKXQDptWqI dzdwMKExO1P/pshcQycoBYzRM4hhWmEWhwLAe1gx55l6KAWoFBVSKgl+9D4V+OevVROKza2pLM xUAi4R/bhvWHXWyFgCOkxxc9mZ1rrXyaTRIlkz+xKdJ7dpWMX7HiYYg+rk9XvJSTcvUqS1OSUo apr+aR377IsXynJKK/hAAAA X-Change-ID: 20250106-efi_fw_bug-2b62e9a41899 To: Ard Biesheuvel Cc: linux-efi@vger.kernel.org, linux-kernel@vger.kernel.org, kernel-team@meta.com, Breno Leitao X-Mailer: b4 0.15-dev-dd21f X-Developer-Signature: v=1; a=openpgp-sha256; l=2436; i=leitao@debian.org; h=from:subject:message-id; bh=Xv8vfELqxCi0M3JUv12/9oo5sF3vO6GI19h00ESuh1U=; b=owEBbQKS/ZANAwAIATWjk5/8eHdtAcsmYgBo6ON6W6e3C/Qe3WoG1ip9wiq+lAK/++yi87Kr+ y9kz1yoRvaJAjMEAAEIAB0WIQSshTmm6PRnAspKQ5s1o5Of/Hh3bQUCaOjjegAKCRA1o5Of/Hh3 bQtSEACdpPEJKfBod/cJDK5qm/LcmMRN9hfEyG2qJHSEvRQ/tsM2RGAdgf74izCo3sPyNcne3zK IvzZ6GTwDOuQgHLKA5J9oQc8KBh+gSB3AVNP8mnNekhytbpzfEh62Yfx3gLBpDVUVGQz8WZyRg+ e9LY32dEjrY/AmoBd9LtgFz04IPwF2Kjs/FbPta1KrEEsRa4HmrXRTMaGQ8n1hlOTbd7FwA3VQf p/ap0mpfWXvYKxwZVWnJsV2JdQDsnntebB/mHFuuDvU2jeC0ooG1YGlLgCwim+btY1k2L6nwYJj qupDG15x+TbW+e42cnJtvewYpJp4WE6uKBuTn42aWfXlUVLCdFjQEGU4vjm8oVvX9/XcwysePfd bWQl0L6guEhVaEq2WNu0++kfjw4v/krQj0RFrJ9ez2VMhMQLF8bzgqyP1vck/fk1GTJVXcSH7XI 74E7r2Vqabp28EQEl4OkThZQuAjUcFqyhR4s2otISjIlcqrwD+hZitx9v0WMYISRsSCOY5nvJNA ivSbRUe3xW3UHrW9u2U23lU21E9LFpkwDwgGbxnEwpYUVAZMvg67unYmcWjIYJ05Wloy0shtKcy VrAV3TfUNMNqaXy7dtzBuur59i4tjszJ5NvC43Kn9JD1R4pHaVLNn2OG/HWKtKFTtMIWukGKgha qspb2Hn1QkxEfBw== X-Developer-Key: i=leitao@debian.org; a=openpgp; fpr=AC8539A6E8F46702CA4A439B35A3939FFC78776D The efi_memattr_init() function's return values (0 and -ENOMEM) are never checked by callers. Convert the function to return void since the return status is unused. Signed-off-by: Breno Leitao Acked-by: Ard Biesheuvel --- Changes in v3: - EDITME: describe what is new in this series revision. - EDITME: use bulletpoints and terse descriptions. - Link to v2: https://lore.kernel.org/r/20251010-efi_fw_bug-v2-1-61b2915dce= 76@debian.org Changes in v2: - drop the other patches from the previous patchset - Link to v1: https://lore.kernel.org/r/20250106-efi_fw_bug-v1-0-01a8eb40bf= eb@debian.org --- drivers/firmware/efi/memattr.c | 7 +++---- include/linux/efi.h | 2 +- 2 files changed, 4 insertions(+), 5 deletions(-) diff --git a/drivers/firmware/efi/memattr.c b/drivers/firmware/efi/memattr.c index c38b1a335590d..e727cc5909cb6 100644 --- a/drivers/firmware/efi/memattr.c +++ b/drivers/firmware/efi/memattr.c @@ -19,19 +19,19 @@ unsigned long __ro_after_init efi_mem_attr_table =3D EF= I_INVALID_TABLE_ADDR; * Reserve the memory associated with the Memory Attributes configuration * table, if it exists. */ -int __init efi_memattr_init(void) +void __init efi_memattr_init(void) { efi_memory_attributes_table_t *tbl; unsigned long size; =20 if (efi_mem_attr_table =3D=3D EFI_INVALID_TABLE_ADDR) - return 0; + return; =20 tbl =3D early_memremap(efi_mem_attr_table, sizeof(*tbl)); if (!tbl) { pr_err("Failed to map EFI Memory Attributes table @ 0x%lx\n", efi_mem_attr_table); - return -ENOMEM; + return; } =20 if (tbl->version > 2) { @@ -61,7 +61,6 @@ int __init efi_memattr_init(void) =20 unmap: early_memunmap(tbl, sizeof(*tbl)); - return 0; } =20 /* diff --git a/include/linux/efi.h b/include/linux/efi.h index a98cc39e7aaa8..0b9eb3d2ff977 100644 --- a/include/linux/efi.h +++ b/include/linux/efi.h @@ -772,7 +772,7 @@ extern unsigned long efi_mem_attr_table; */ typedef int (*efi_memattr_perm_setter)(struct mm_struct *, efi_memory_desc= _t *, bool); =20 -extern int efi_memattr_init(void); +extern void efi_memattr_init(void); extern int efi_memattr_apply_permissions(struct mm_struct *mm, efi_memattr_perm_setter fn); =20 --- base-commit: 18a7e218cfcdca6666e1f7356533e4c988780b57 change-id: 20250106-efi_fw_bug-2b62e9a41899 Best regards, -- =20 Breno Leitao