* [PATCH] arm64: memory: Add missing brackets to untagged_addr() macro
@ 2020-02-19 10:41 ` Will Deacon
0 siblings, 0 replies; 2+ messages in thread
From: Will Deacon @ 2020-02-19 10:41 UTC (permalink / raw)
To: linux-arm-kernel; +Cc: catalin.marinas, Will Deacon, stable, Linus Torvalds
Add brackets around the evaluation of the 'addr' parameter to the
untagged_addr() macro so that the case to 'u64' applies to the result
of the expression.
Cc: <stable@vger.kernel.org>
Fixes: 597399d0cb91 ("arm64: tags: Preserve tags for addresses translated via TTBR1")
Reported-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Will Deacon <will@kernel.org>
---
arch/arm64/include/asm/memory.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/arm64/include/asm/memory.h b/arch/arm64/include/asm/memory.h
index a4f9ca5479b0..4d94676e5a8b 100644
--- a/arch/arm64/include/asm/memory.h
+++ b/arch/arm64/include/asm/memory.h
@@ -213,7 +213,7 @@ static inline unsigned long kaslr_offset(void)
((__force __typeof__(addr))sign_extend64((__force u64)(addr), 55))
#define untagged_addr(addr) ({ \
- u64 __addr = (__force u64)addr; \
+ u64 __addr = (__force u64)(addr); \
__addr &= __untagged_addr(__addr); \
(__force __typeof__(addr))__addr; \
})
--
2.25.0.265.gbab2e86ba0-goog
^ permalink raw reply related [flat|nested] 2+ messages in thread
* [PATCH] arm64: memory: Add missing brackets to untagged_addr() macro
@ 2020-02-19 10:41 ` Will Deacon
0 siblings, 0 replies; 2+ messages in thread
From: Will Deacon @ 2020-02-19 10:41 UTC (permalink / raw)
To: linux-arm-kernel; +Cc: catalin.marinas, Linus Torvalds, Will Deacon, stable
Add brackets around the evaluation of the 'addr' parameter to the
untagged_addr() macro so that the case to 'u64' applies to the result
of the expression.
Cc: <stable@vger.kernel.org>
Fixes: 597399d0cb91 ("arm64: tags: Preserve tags for addresses translated via TTBR1")
Reported-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Will Deacon <will@kernel.org>
---
arch/arm64/include/asm/memory.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/arm64/include/asm/memory.h b/arch/arm64/include/asm/memory.h
index a4f9ca5479b0..4d94676e5a8b 100644
--- a/arch/arm64/include/asm/memory.h
+++ b/arch/arm64/include/asm/memory.h
@@ -213,7 +213,7 @@ static inline unsigned long kaslr_offset(void)
((__force __typeof__(addr))sign_extend64((__force u64)(addr), 55))
#define untagged_addr(addr) ({ \
- u64 __addr = (__force u64)addr; \
+ u64 __addr = (__force u64)(addr); \
__addr &= __untagged_addr(__addr); \
(__force __typeof__(addr))__addr; \
})
--
2.25.0.265.gbab2e86ba0-goog
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2020-02-19 10:41 [PATCH] arm64: memory: Add missing brackets to untagged_addr() macro Will Deacon
2020-02-19 10:41 ` Will Deacon
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