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x86/dumpstack: Fix x86_32 kernel_stack_pointer() previous stack access
[deliverable/linux.git]
/
arch
/
x86
/
kernel
/
ptrace.c
diff --git
a/arch/x86/kernel/ptrace.c
b/arch/x86/kernel/ptrace.c
index f79576a541ffa21df086684eb2e5502cc5062248..a1606eadd9ce84d452407d07694e67f72f905daa 100644
(file)
--- a/
arch/x86/kernel/ptrace.c
+++ b/
arch/x86/kernel/ptrace.c
@@
-173,8
+173,8
@@
unsigned long kernel_stack_pointer(struct pt_regs *regs)
return sp;
prev_esp = (u32 *)(context);
- if (prev_esp)
- return (unsigned long)prev_esp;
+ if (
*
prev_esp)
+ return (unsigned long)
*
prev_esp;
return (unsigned long)regs;
}
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