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add error handling for prepare_process

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This commit is contained in:
Tomoki Shirasawa
2013-06-02 13:49:10 +09:00
parent c8b7a853cc
commit 54798253c5
4 changed files with 15 additions and 3 deletions
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8
executer/kernel/control.c
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@@ -87,6 +87,11 @@ static long mcexec_prepare_image(ihk_os_t os,
wait_event_interruptible(usrdata->wq_prepare, pdesc->status);
if(pdesc->err == -1){
ret = -EFAULT;
goto free_out;
}
usrdata->rpgtable = pdesc->rpgtable;
if (copy_to_user(udesc, pdesc, sizeof(struct program_load_desc) +
sizeof(struct program_image_section) * desc.num_sections)) {
@@ -517,11 +522,12 @@ long __mcctrl_control(ihk_os_t os, unsigned int req, unsigned long arg)
return -EINVAL;
}
void mcexec_prepare_ack(ihk_os_t os, unsigned long arg)
void mcexec_prepare_ack(ihk_os_t os, unsigned long arg, int err)
{
struct program_load_desc *desc = phys_to_virt(arg);
struct mcctrl_usrdata *usrdata = ihk_host_os_get_usrdata(os);
desc->err = err;
desc->status = 1;
wake_up_all(&usrdata->wq_prepare);