arch/s390/lib/error-inject.c

   1 // SPDX-License-Identifier: GPL-2.0+
   2 #include <asm/ptrace.h>
   3 #include <linux/error-injection.h>
   4 #include <linux/kprobes.h>
   5
   6 void override_function_with_return(struct pt_regs *regs)
   7 {
   8         /*
   9          * Emulate 'br 14'. 'regs' is captured by kprobes on entry to some
  10          * kernel function.
  11          */
  12         regs->psw.addr = regs->gprs[14];
  13 }
  14 NOKPROBE_SYMBOL(override_function_with_return);