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From:   Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To:     linux-kernel@vger.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        stable@vger.kernel.org, Rob Clark <robdclark@chromium.org>,
        Dmitry Baryshkov <dmitry.baryshkov@linaro.org>,
        Sasha Levin <sashal@kernel.org>
Subject: [PATCH 5.15 88/98] drm/msm/gem: Fix error return on fence id alloc fail
Date:   Tue,  5 Jul 2022 13:58:46 +0200
Message-Id: <20220705115620.068116635@linuxfoundation.org>
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From: Rob Clark <robdclark@chromium.org>

[ 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>
---
 drivers/gpu/drm/msm/msm_gem_submit.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

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;
 	}
-- 
2.35.1