linux-kernel - [PATCH] drm/nouveau: add the missed kfree() for nouveau_bo

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Message-ID: <20200715093026.156142-1-jingxiangfeng@huawei.com>
Date:   Wed, 15 Jul 2020 17:30:26 +0800
From:   Jing Xiangfeng <jingxiangfeng@...wei.com>
To:     <bskeggs@...hat.com>, <airlied@...ux.ie>, <daniel@...ll.ch>
CC:     <dri-devel@...ts.freedesktop.org>, <nouveau@...ts.freedesktop.org>,
        <linux-kernel@...r.kernel.org>, <jingxiangfeng@...wei.com>
Subject: [PATCH] drm/nouveau: add the missed kfree() for nouveau_bo_alloc()

nouveau_bo_alloc() misses to call kfree() in an error path. Add the
missed function call to fix it.

Signed-off-by: Jing Xiangfeng <jingxiangfeng@...wei.com>
---
 drivers/gpu/drm/nouveau/nouveau_bo.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/nouveau/nouveau_bo.c b/drivers/gpu/drm/nouveau/nouveau_bo.c
index c40f127de3d0..abd80b1a6de3 100644
--- a/drivers/gpu/drm/nouveau/nouveau_bo.c
+++ b/drivers/gpu/drm/nouveau/nouveau_bo.c
@@ -276,8 +276,10 @@ nouveau_bo_alloc(struct nouveau_cli *cli, u64 *size, int *align, u32 flags,
 			break;
 	}
 
-	if (WARN_ON(pi < 0))
+	if (WARN_ON(pi < 0)) {
+		kfree(nvbo);
 		return ERR_PTR(-EINVAL);
+	}
 
 	/* Disable compression if suitable settings couldn't be found. */
 	if (nvbo->comp && !vmm->page[pi].comp) {
-- 
2.17.1