[PATCH 5.4 049/135] arm64: memory: Add missing brackets to untagged_addr() macro
From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Date: 2020-02-27 14:08:50
Also in:
lkml
From: Will Deacon <will@kernel.org>
commit d0022c0ef29b78bcbe8a5c5894bd2307143afce1 upstream.
Add brackets around the evaluation of the 'addr' parameter to the
untagged_addr() macro so that the cast to 'u64' applies to the result
of the expression.
Cc: <redacted>
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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
arch/arm64/include/asm/memory.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/arch/arm64/include/asm/memory.h
+++ b/arch/arm64/include/asm/memory.h@@ -219,7 +219,7 @@ static inline unsigned long kaslr_offset ((__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; \ })