while (1) {
address = UNW_PC(&frame_info);
- if (address && __kernel_text_address(address)) {
- if (consumer_fn(address, arg) == -1)
- break;
- }
+ if (!address || !__kernel_text_address(address))
+ break;
- ret = arc_unwind(&frame_info);
+ if (consumer_fn(address, arg) == -1)
+ break;
- if (ret == 0) {
- frame_info.regs.r63 = frame_info.regs.r31;
- continue;
- } else {
+ ret = arc_unwind(&frame_info);
+ if (ret)
break;
- }
+
+ frame_info.regs.r63 = frame_info.regs.r31;
}
return address; /* return the last address it saw */
* prelogue is setup (callee regs saved and then fp set and not other
* way around
*/
- pr_warn("CONFIG_ARC_DW2_UNWIND needs to be enabled\n");
+ pr_warn_once("CONFIG_ARC_DW2_UNWIND needs to be enabled\n");
return 0;
#endif