linux-kernel - [PATCH AUTOSEL 5.4 001/330] drm/v3d: don't leak bin job if v3d_job

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Message-Id: <20200918020110.2063155-1-sashal@kernel.org>
Date:   Thu, 17 Sep 2020 21:55:41 -0400
From:   Sasha Levin <sashal@...nel.org>
To:     linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:     Iago Toral Quiroga <itoral@...lia.com>,
        Eric Anholt <eric@...olt.net>, Sasha Levin <sashal@...nel.org>,
        dri-devel@...ts.freedesktop.org
Subject: [PATCH AUTOSEL 5.4 001/330] drm/v3d: don't leak bin job if v3d_job_init fails.

From: Iago Toral Quiroga <itoral@...lia.com>

[ Upstream commit 0d352a3a8a1f26168d09f7073e61bb4b328e3bb9 ]

If the initialization of the job fails we need to kfree() it
before returning.

Signed-off-by: Iago Toral Quiroga <itoral@...lia.com>
Signed-off-by: Eric Anholt <eric@...olt.net>
Link: https://patchwork.freedesktop.org/patch/msgid/20190916071125.5255-1-itoral@igalia.com
Fixes: a783a09ee76d ("drm/v3d: Refactor job management.")
Reviewed-by: Eric Anholt <eric@...olt.net>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/gpu/drm/v3d/v3d_gem.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/v3d/v3d_gem.c b/drivers/gpu/drm/v3d/v3d_gem.c
index 19c092d75266b..6316bf3646af5 100644
--- a/drivers/gpu/drm/v3d/v3d_gem.c
+++ b/drivers/gpu/drm/v3d/v3d_gem.c
@@ -565,6 +565,7 @@ v3d_submit_cl_ioctl(struct drm_device *dev, void *data,
 		ret = v3d_job_init(v3d, file_priv, &bin->base,
 				   v3d_job_free, args->in_sync_bcl);
 		if (ret) {
+			kfree(bin);
 			v3d_job_put(&render->base);
 			kfree(bin);
 			return ret;
-- 
2.25.1