Patch "drm/msm/gem: Fix error return on fence id alloc fail" has been added to the 5.15-stable tree

[Sasha Levin <sashal@xxxxxxxxxx>]

This is a note to let you know that I've just added the patch titled

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

to the 5.15-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     drm-msm-gem-fix-error-return-on-fence-id-alloc-fail.patch
and it can be found in the queue-5.15 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.



commit 5b84d307df9943fea566c3e473777a2e4ed29ca9
Author: Rob Clark <robdclark@xxxxxxxxxxxx>
Date:   Fri Jun 24 11:45:28 2022 -0700

    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@xxxxxxxxxxxx>
    Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>
    Patchwork: https://patchwork.freedesktop.org/patch/491145/
    Link: https://lore.kernel.org/r/20220624184528.4036837-1-robdclark@xxxxxxxxx
    Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>

diff --git a/drivers/gpu/drm/msm/msm_gem_submit.c b/drivers/gpu/drm/msm/msm_gem_submit.c
index 7fb7ff043bcd..1f74bab9e231 100644
--- 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;
 	}