Prevent dropping the KFD process reference at the end of a debug
IOCTL call where the acquired process value is an error.

Signed-off-by: Jonathan Kim <jonathan....@amd.com>
---
 drivers/gpu/drm/amd/amdkfd/kfd_chardev.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c 
b/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c
index 80e90fdef291..824e660283b2 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c
@@ -2935,6 +2935,7 @@ static int kfd_ioctl_set_debug_trap(struct file *filep, 
struct kfd_process *p, v
        if (IS_ERR_OR_NULL(target)) {
                pr_debug("Cannot find process PID %i to debug\n", args->pid);
                r = target ? PTR_ERR(target) : -ESRCH;
+               target = NULL;
                goto out;
        }
 
-- 
2.34.1

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