From: Shashank Sharma <contactshashanksharma@xxxxxxxxx> This patch fixes a return value check in kfd doorbell handling. This function should return 0(error) only when the ida_simple_get returns < 0(error), return > 0 is a success case. Cc: Felix Kuehling <Felix.Kuehling@xxxxxxx> Cc: Alex Deucher <alexander.deucher@xxxxxxx> Signed-off-by: Shashank Sharma <shashank.sharma@xxxxxxx> --- drivers/gpu/drm/amd/amdkfd/kfd_doorbell.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_doorbell.c b/drivers/gpu/drm/amd/amdkfd/kfd_doorbell.c index cbef2e147da5..38c9e1ca6691 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_doorbell.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_doorbell.c @@ -280,7 +280,7 @@ phys_addr_t kfd_get_process_doorbells(struct kfd_process_device *pdd) if (!pdd->doorbell_index) { int r = kfd_alloc_process_doorbells(pdd->dev, &pdd->doorbell_index); - if (r) + if (r < 0) return 0; } -- 2.34.1