static int __patch_instruction(struct ppc_inst *exec_addr, struct ppc_inst instr,
struct ppc_inst *patch_addr)
{
- int err = 0;
-
- if (!ppc_inst_prefixed(instr)) {
- __put_user_asm(ppc_inst_val(instr), patch_addr, err, "stw");
- } else {
- __put_user_asm(ppc_inst_as_u64(instr), patch_addr, err, "std");
- }
-
- if (err)
- return err;
+ if (!ppc_inst_prefixed(instr))
+ __put_user_asm_goto(ppc_inst_val(instr), patch_addr, failed, "stw");
+ else
+ __put_user_asm_goto(ppc_inst_as_u64(instr), patch_addr, failed, "std");
asm ("dcbst 0, %0; sync; icbi 0,%1; sync; isync" :: "r" (patch_addr),
"r" (exec_addr));
return 0;
+
+failed:
+ return -EFAULT;
}
int raw_patch_instruction(struct ppc_inst *addr, struct ppc_inst instr)