Messages in this thread Patch in this message | | | 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 |
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From: Qian Cai <cai@lca.pw>
[ 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 <cai@lca.pw> Acked-by: "Prakhya, Sai Praneeth" <sai.praneeth.prakhya@intel.com> Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org> Signed-off-by: Sasha Levin <sashal@kernel.org> --- 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
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