[PATCH next] drm/amd/ras: Fix a NULL vs IS_ERR() bug in ras_process_init()

[Dan Carpenter]

The kthread_run() function never returns NULL, it returns error pointers.
Fix the error checking to match.

Fixes: ea61341b9014 ("drm/amd/ras: Add thread to handle ras events")
Signed-off-by: Dan Carpenter <dan.carpen...@linaro.org>
---
 drivers/gpu/drm/amd/ras/rascore/ras_process.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/amd/ras/rascore/ras_process.c 
b/drivers/gpu/drm/amd/ras/rascore/ras_process.c
index 02f0657f78a3..1d2f136fbe2b 100644
--- a/drivers/gpu/drm/amd/ras/rascore/ras_process.c
+++ b/drivers/gpu/drm/amd/ras/rascore/ras_process.c
@@ -241,9 +241,9 @@ int ras_process_init(struct ras_core_context *ras_core)
 
        ras_proc->ras_process_thread = kthread_run(ras_process_thread,
                                                        (void *)ras_core, 
"ras_process_thread");
-       if (!ras_proc->ras_process_thread) {
+       if (IS_ERR(ras_proc->ras_process_thread)) {
                RAS_DEV_ERR(ras_core->dev, "Failed to create 
ras_process_thread.\n");
-               ret =  -ENOMEM;
+               ret = PTR_ERR(ras_proc->ras_process_thread);
                goto err;
        }
 
-- 
2.51.0