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Kernel: Use copy_typed_from_user() in more places :^)

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This commit is contained in:
Andreas Kling 2021-12-17 09:12:20 +01:00
parent 39d9337db5
commit abf2204402
9 changed files with 41 additions and 66 deletions
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7
Kernel/Syscalls/sched.cpp
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@ -20,10 +20,9 @@ ErrorOr<FlatPtr> Process::sys$sched_setparam(int pid, Userspace<const struct sch
{
VERIFY_PROCESS_BIG_LOCK_ACQUIRED(this)
REQUIRE_PROMISE(proc);
struct sched_param desired_param;
TRY(copy_from_user(&desired_param, user_param));
auto param = TRY(copy_typed_from_user(user_param));
if (desired_param.sched_priority < THREAD_PRIORITY_MIN || desired_param.sched_priority > THREAD_PRIORITY_MAX)
if (param.sched_priority < THREAD_PRIORITY_MIN || param.sched_priority > THREAD_PRIORITY_MAX)
return EINVAL;
auto* peer = Thread::current();
@ -37,7 +36,7 @@ ErrorOr<FlatPtr> Process::sys$sched_setparam(int pid, Userspace<const struct sch
if (!is_superuser() && euid() != peer->process().uid() && uid() != peer->process().uid())
return EPERM;
peer->set_priority((u32)desired_param.sched_priority);
peer->set_priority((u32)param.sched_priority);
return 0;
}