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-rw-r--r--arch/x86/kernel/dumpstack.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/arch/x86/kernel/dumpstack.c b/arch/x86/kernel/dumpstack.c
index 0bf6779187dd..f18ca44c904b 100644
--- a/arch/x86/kernel/dumpstack.c
+++ b/arch/x86/kernel/dumpstack.c
@@ -195,7 +195,6 @@ static void show_trace_log_lvl(struct task_struct *task, struct pt_regs *regs,
printk("%sCall Trace:\n", log_lvl);
unwind_start(&state, task, regs, stack);
- stack = stack ? : get_stack_pointer(task, regs);
regs = unwind_get_entry_regs(&state, &partial);
/*
@@ -214,9 +213,13 @@ static void show_trace_log_lvl(struct task_struct *task, struct pt_regs *regs,
* - hardirq stack
* - entry stack
*/
- for ( ; stack; stack = PTR_ALIGN(stack_info.next_sp, sizeof(long))) {
+ for (stack = stack ?: get_stack_pointer(task, regs);
+ stack;
+ stack = stack_info.next_sp) {
const char *stack_name;
+ stack = PTR_ALIGN(stack, sizeof(long));
+
if (get_stack_info(stack, task, &stack_info, &visit_mask)) {
/*
* We weren't on a valid stack. It's possible that