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Commit 2520d039 authored by Catalin Marinas's avatar Catalin Marinas Committed by Will Deacon
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arm64: Add brackets around user_stack_pointer() 



Commit 5f888a1d (ARM64: perf: support dwarf unwinding in compat mode)
changes user_stack_pointer() to return the compat SP for 32-bit tasks
but without brackets around the whole definition, with possible issues
on the call sites (noticed with a subsequent fix for KSTK_ESP).

Fixes: 5f888a1d (ARM64: perf: support dwarf unwinding in compat mode)
Reported-by: default avatarSudeep Holla <sudeep.holla@arm.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: default avatarCatalin Marinas <catalin.marinas@arm.com>
Signed-off-by: default avatarWill Deacon <will.deacon@arm.com>
parent 5b75a6af

arch/arm64/include/asm/ptrace.h

+1 −1
Original line number Diff line number Diff line
@@ -137,7 +137,7 @@ struct pt_regs { 
	(!((regs)->pstate & PSR_F_BIT))



#define user_stack_pointer(regs) \

	(!compat_user_mode(regs)) ? ((regs)->sp) : ((regs)->compat_sp)

	(!compat_user_mode(regs) ? (regs)->sp : (regs)->compat_sp)



static inline unsigned long regs_return_value(struct pt_regs *regs)

{