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Diffstat (limited to 'arch/sh/kernel/traps_32.c')
-rw-r--r--arch/sh/kernel/traps_32.c11
1 files changed, 8 insertions, 3 deletions
diff --git a/arch/sh/kernel/traps_32.c b/arch/sh/kernel/traps_32.c
index 6aba9af79eaf..f9760c5c234a 100644
--- a/arch/sh/kernel/traps_32.c
+++ b/arch/sh/kernel/traps_32.c
@@ -452,6 +452,12 @@ int handle_unaligned_access(insn_size_t instruction, struct pt_regs *regs,
452 u_int rm; 452 u_int rm;
453 int ret, index; 453 int ret, index;
454 454
455 /*
456 * XXX: We can't handle mixed 16/32-bit instructions yet
457 */
458 if (instruction_size(instruction) != 2)
459 return -EINVAL;
460
455 index = (instruction>>8)&15; /* 0x0F00 */ 461 index = (instruction>>8)&15; /* 0x0F00 */
456 rm = regs->regs[index]; 462 rm = regs->regs[index];
457 463
@@ -619,9 +625,9 @@ asmlinkage void do_address_error(struct pt_regs *regs,
619 625
620 se_user += 1; 626 se_user += 1;
621 627
622#ifndef CONFIG_CPU_SH2A
623 set_fs(USER_DS); 628 set_fs(USER_DS);
624 if (copy_from_user(&instruction, (u16 *)(regs->pc & ~1), 2)) { 629 if (copy_from_user(&instruction, (insn_size_t *)(regs->pc & ~1),
630 sizeof(instruction))) {
625 set_fs(oldfs); 631 set_fs(oldfs);
626 goto uspace_segv; 632 goto uspace_segv;
627 } 633 }
@@ -633,7 +639,6 @@ asmlinkage void do_address_error(struct pt_regs *regs,
633 "in \"%s\" pid=%d pc=0x%p ins=0x%04hx\n", 639 "in \"%s\" pid=%d pc=0x%p ins=0x%04hx\n",
634 current->comm, current->pid, (void *)regs->pc, 640 current->comm, current->pid, (void *)regs->pc,
635 instruction); 641 instruction);
636#endif
637 642
638 if (se_usermode & 2) 643 if (se_usermode & 2)
639 goto fixup; 644 goto fixup;