From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sasha Levin Subject: [PATCH AUTOSEL 4.19 191/191] x86/efi: fix a -Wtype-limits compilation warning Date: Sat, 9 Nov 2019 21:40:13 -0500 Message-ID: <20191110024013.29782-191-sashal@kernel.org> References: <20191110024013.29782-1-sashal@kernel.org> Mime-Version: 1.0 Content-Transfer-Encoding: 8bit Return-path: In-Reply-To: <20191110024013.29782-1-sashal@kernel.org> Sender: linux-kernel-owner@vger.kernel.org To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Qian Cai , "Prakhya, Sai Praneeth" , Ard Biesheuvel , Sasha Levin , linux-efi@vger.kernel.org, platform-driver-x86@vger.kernel.org List-Id: platform-driver-x86.vger.kernel.org From: Qian Cai [ Upstream commit 919aef44d73d5d0c04213cb1bc31149cc074e65e ] Compiling a kernel with W=1 generates this warning, arch/x86/platform/efi/quirks.c:731:16: warning: comparison of unsigned expression >= 0 is always true [-Wtype-limits] Fixes: 3425d934fc03 ("efi/x86: Handle page faults occurring while running ...") Signed-off-by: Qian Cai Acked-by: "Prakhya, Sai Praneeth" Signed-off-by: Ard Biesheuvel Signed-off-by: Sasha Levin --- arch/x86/platform/efi/quirks.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/platform/efi/quirks.c b/arch/x86/platform/efi/quirks.c index 669babcaf245a..c75d5ba732f18 100644 --- a/arch/x86/platform/efi/quirks.c +++ b/arch/x86/platform/efi/quirks.c @@ -684,7 +684,7 @@ void efi_recover_from_page_fault(unsigned long phys_addr) * Address range 0x0000 - 0x0fff is always mapped in the efi_pgd, so * page faulting on these addresses isn't expected. */ - if (phys_addr >= 0x0000 && phys_addr <= 0x0fff) + if (phys_addr <= 0x0fff) return; /* -- 2.20.1