* [RESEND PATCH] x86/efi: fix a -Wtype-limits compilation warning
@ 2019-06-07 19:17 Qian Cai
0 siblings, 0 replies; only message in thread
From: Qian Cai @ 2019-06-07 19:17 UTC (permalink / raw)
To: akpm
Cc: ard.biesheuvel, dvhart, andy, tglx, mingo, bp, hpa, x86,
linux-efi, platform-driver-x86, linux-kernel, Qian Cai
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]
Signed-off-by: Qian Cai <cai@lca.pw>
---
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 632b83885867..3b9fd679cea9 100644
--- a/arch/x86/platform/efi/quirks.c
+++ b/arch/x86/platform/efi/quirks.c
@@ -728,7 +728,7 @@ 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;
/*
--
1.8.3.1
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