drm/msm/gem: Fix error return on fence id alloc fail

[ Upstream commit 08de214138cdea438a0dfcb10d355a6650c6017c ]

This was a typo, we didn't actually want to return zero.

Fixes: a61acbbe9cf8 ("drm/msm: Track "seqno" fences by idr")
Signed-off-by: Rob Clark <robdclark@chromium.org>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Patchwork: https://patchwork.freedesktop.org/patch/491145/
Link: https://lore.kernel.org/r/20220624184528.4036837-1-robdclark@gmail.com
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/drivers/gpu/drm/msm/msm_gem_submit.c b/drivers/gpu/drm/msm/msm_gem_submit.c
index 7fb7ff0..1f74bab 100644 (file)
--- a/drivers/gpu/drm/msm/msm_gem_submit.c
+++ b/drivers/gpu/drm/msm/msm_gem_submit.c
@@ -889,7 +889,7 @@ int msm_ioctl_gem_submit(struct drm_device *dev, void *data,
        submit->fence_id = idr_alloc_cyclic(&queue->fence_idr,
                        submit->user_fence, 1, INT_MAX, GFP_KERNEL);
        if (submit->fence_id < 0) {
-               ret = submit->fence_id = 0;
+               ret = submit->fence_id;
                submit->fence_id = 0;
                goto out;
        }