[src/trunk]: src/sys/arch/aarch64/aarch64 fix uninitialized, add missing casts

[christos <christos%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/3b64792c407d
branches:  trunk
changeset: 324139:3b64792c407d
user:      christos <christos%NetBSD.org@localhost>
date:      Tue Jul 17 00:31:46 2018 +0000

description:
fix uninitialized, add missing casts

diffstat:

 sys/arch/aarch64/aarch64/fault.c |  26 ++++++++++++++++----------
 1 files changed, 16 insertions(+), 10 deletions(-)

diffs (85 lines):

diff -r 778410308c7c -r 3b64792c407d sys/arch/aarch64/aarch64/fault.c
--- a/sys/arch/aarch64/aarch64/fault.c  Tue Jul 17 00:31:22 2018 +0000
+++ b/sys/arch/aarch64/aarch64/fault.c  Tue Jul 17 00:31:46 2018 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: fault.c,v 1.1 2018/04/01 04:35:03 ryo Exp $    */
+/*     $NetBSD: fault.c,v 1.2 2018/07/17 00:31:46 christos Exp $       */
 
 /*
  * Copyright (c) 2017 Ryo Shimizu <ryo%nerv.org@localhost>
@@ -27,7 +27,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: fault.c,v 1.1 2018/04/01 04:35:03 ryo Exp $");
+__KERNEL_RCSID(0, "$NetBSD: fault.c,v 1.2 2018/07/17 00:31:46 christos Exp $");
 
 #include "opt_ddb.h"
 #include "opt_uvmhist.h"
@@ -128,7 +128,7 @@
        vaddr_t va;
        uint32_t esr, fsc, rw;
        vm_prot_t ftype;
-       int error;
+       int error = 0;
        const bool user = (__SHIFTOUT(tf->tf_spsr, SPSR_M) == SPSR_M_EL0T) ?
            true : false;
        bool fatalabort;
@@ -216,11 +216,12 @@
                                    l->l_proc->p_pid, l->l_proc->p_comm,
                                    l->l_cred ?
                                    kauth_cred_geteuid(l->l_cred) : -1);
-                               do_trapsignal(l, SIGKILL, 0, tf->tf_far, esr);
+                               do_trapsignal(l, SIGKILL, 0,
+                                   (void *)tf->tf_far, esr);
                                goto done_userfault;
                        } else if (error == EACCES) {
                                do_trapsignal(l, SIGSEGV, SEGV_ACCERR,
-                                   tf->tf_far, esr);
+                                   (void *)tf->tf_far, esr);
                                goto done_userfault;
                        }
                        /* if other error, select signal by ESR */
@@ -238,7 +239,8 @@
                case ESR_ISS_FSC_PERM_FAULT_1:
                case ESR_ISS_FSC_PERM_FAULT_2:
                case ESR_ISS_FSC_PERM_FAULT_3:
-                       do_trapsignal(l, SIGSEGV, SEGV_ACCERR, tf->tf_far, esr);
+                       do_trapsignal(l, SIGSEGV, SEGV_ACCERR,
+                           (void *)tf->tf_far, esr);
                        break;
                case ESR_ISS_FSC_TRANSLATION_FAULT_0:
                case ESR_ISS_FSC_TRANSLATION_FAULT_1:
@@ -250,13 +252,15 @@
                case ESR_ISS_FSC_FIRST_LEVEL_DOMAIN_FAULT:
                case ESR_ISS_FSC_SECOND_LEVEL_DOMAIN_FAULT:
                default:
-                       do_trapsignal(l, SIGSEGV, SEGV_MAPERR, tf->tf_far, esr);
+                       do_trapsignal(l, SIGSEGV, SEGV_MAPERR,
+                           (void *)tf->tf_far, esr);
                        break;
                case ESR_ISS_FSC_ADDRESS_SIZE_FAULT_0:
                case ESR_ISS_FSC_ADDRESS_SIZE_FAULT_1:
                case ESR_ISS_FSC_ADDRESS_SIZE_FAULT_2:
                case ESR_ISS_FSC_ADDRESS_SIZE_FAULT_3:
-                       do_trapsignal(l, SIGBUS, BUS_ADRERR, tf->tf_far, esr);
+                       do_trapsignal(l, SIGBUS, BUS_ADRERR,
+                           (void *)tf->tf_far, esr);
                        break;
                case ESR_ISS_FSC_SYNC_EXTERNAL_ABORT:
                case ESR_ISS_FSC_SYNC_EXTERNAL_ABORT_TTWALK_0:
@@ -268,10 +272,12 @@
                case ESR_ISS_FSC_SYNC_PARITY_ERROR_ON_TTWALK_1:
                case ESR_ISS_FSC_SYNC_PARITY_ERROR_ON_TTWALK_2:
                case ESR_ISS_FSC_SYNC_PARITY_ERROR_ON_TTWALK_3:
-                       do_trapsignal(l, SIGBUS, BUS_OBJERR, tf->tf_far, esr);
+                       do_trapsignal(l, SIGBUS, BUS_OBJERR,
+                           (void *)tf->tf_far, esr);
                        break;
                case ESR_ISS_FSC_ALIGNMENT_FAULT:
-                       do_trapsignal(l, SIGBUS, BUS_ADRALN, tf->tf_far, esr);
+                       do_trapsignal(l, SIGBUS, BUS_ADRALN,
+                           (void *)tf->tf_far, esr);
                        break;
                }
  done_userfault: