mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-08-27 03:10:12 +00:00
drm/amdkfd: fix a potential NULL pointer dereference (v2)
alloc_workqueue is not checked for errors and as a result, a potential NULL dereference could occur. v2 (Felix Kuehling): * Fix compile error (kfifo_free instead of fifo_free) * Return proper error code Signed-off-by: Allen Pais <allen.pais@oracle.com> Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com> Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
parent
f77c7109c0
commit
81de29d842
1 changed files with 5 additions and 0 deletions
|
@ -62,6 +62,11 @@ int kfd_interrupt_init(struct kfd_dev *kfd)
|
|||
}
|
||||
|
||||
kfd->ih_wq = alloc_workqueue("KFD IH", WQ_HIGHPRI, 1);
|
||||
if (unlikely(!kfd->ih_wq)) {
|
||||
kfifo_free(&kfd->ih_fifo);
|
||||
dev_err(kfd_chardev(), "Failed to allocate KFD IH workqueue\n");
|
||||
return -ENOMEM;
|
||||
}
|
||||
spin_lock_init(&kfd->interrupt_lock);
|
||||
|
||||
INIT_WORK(&kfd->interrupt_work, interrupt_wq);
|
||||
|
|
Loading…
Reference in a new issue