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rus_vm_fault: Return VM_FAULT_SIGBUS when per-process data is not found

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This commit is contained in:
Masamichi Takagi
2018-03-20 14:02:51 +09:00
parent d7b882855a
commit 5a7ca14fcc
1 changed files with 3 additions and 1 deletions
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4
executer/kernel/mcctrl/syscall.c
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@@ -700,7 +700,8 @@ static int rus_vm_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
if (!ppd) { if (!ppd) {
kprintf("%s: ERROR: no per-process structure for PID %d??\n", kprintf("%s: ERROR: no per-process structure for PID %d??\n",
__FUNCTION__, task_tgid_vnr(current)); __FUNCTION__, task_tgid_vnr(current));
return -EINVAL; ret = VM_FAULT_SIGBUS;
goto no_ppd;
} }
packet = (struct ikc_scd_packet *)mcctrl_get_per_thread_data(ppd, current); packet = (struct ikc_scd_packet *)mcctrl_get_per_thread_data(ppd, current);
@@ -892,6 +893,7 @@ static int rus_vm_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
put_and_out: put_and_out:
mcctrl_put_per_proc_data(ppd); mcctrl_put_per_proc_data(ppd);
no_ppd:
return ret; return ret;
} }