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Diffstat (limited to 'arch/arm/kernel/return_address.c')
-rw-r--r--arch/arm/kernel/return_address.c16
1 files changed, 11 insertions, 5 deletions
diff --git a/arch/arm/kernel/return_address.c b/arch/arm/kernel/return_address.c
index 7b42ac010fdf..ac15db66df4c 100644
--- a/arch/arm/kernel/return_address.c
+++ b/arch/arm/kernel/return_address.c
@@ -16,17 +16,17 @@ struct return_address_data {
void *addr;
};
-static int save_return_addr(struct stackframe *frame, void *d)
+static bool save_return_addr(void *d, unsigned long pc)
{
struct return_address_data *data = d;
if (!data->level) {
- data->addr = (void *)frame->pc;
+ data->addr = (void *)pc;
- return 1;
+ return false;
} else {
--data->level;
- return 0;
+ return true;
}
}
@@ -41,7 +41,13 @@ void *return_address(unsigned int level)
frame.fp = (unsigned long)__builtin_frame_address(0);
frame.sp = current_stack_pointer;
frame.lr = (unsigned long)__builtin_return_address(0);
- frame.pc = (unsigned long)return_address;
+here:
+ frame.pc = (unsigned long)&&here;
+#ifdef CONFIG_KRETPROBES
+ frame.kr_cur = NULL;
+ frame.tsk = current;
+#endif
+ frame.ex_frame = false;
walk_stackframe(&frame, save_return_addr, &data);