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fix extra copy which might cause page faults

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NAKAMURA Gou
2016-01-06 20:50:50 +09:00
parent f7d81a9281
commit 2819ec2197
1 changed files with 2 additions and 2 deletions
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4
kernel/host.c
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@ -244,7 +244,7 @@ int prepare_process_ranges_args_envs(struct thread *thread,
dkprintf("args copy, nr: %d\n", *((int*)args_envs_r)); dkprintf("args copy, nr: %d\n", *((int*)args_envs_r));
memcpy_long(args_envs, args_envs_r, p->args_len + 8); memcpy_long(args_envs, args_envs_r, p->args_len + sizeof(long) - 1);
/* Only unmap remote address if it wasn't specified as an argument */ /* Only unmap remote address if it wasn't specified as an argument */
if (!args) { if (!args) {
@ -279,7 +279,7 @@ int prepare_process_ranges_args_envs(struct thread *thread,
dkprintf("envs copy, nr: %d\n", *((int*)args_envs_r)); dkprintf("envs copy, nr: %d\n", *((int*)args_envs_r));
memcpy_long(args_envs + p->args_len, args_envs_r, p->envs_len + 8); memcpy_long(args_envs + p->args_len, args_envs_r, p->envs_len + sizeof(long) - 1);
/* Only map remote address if it wasn't specified as an argument */ /* Only map remote address if it wasn't specified as an argument */
if (!envs) { if (!envs) {