linux-kernel - [PATCH] drm/panfrost: Use kvfree() to free bo->sgts in panfrost_mmu_map_fault

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Message-Id: <20200605185207.76661-1-efremov@linux.com>
Date:   Fri,  5 Jun 2020 21:52:07 +0300
From:   Denis Efremov <efremov@...ux.com>
To:     David Airlie <airlied@...ux.ie>, Daniel Vetter <daniel@...ll.ch>
Cc:     Denis Efremov <efremov@...ux.com>, Rob Herring <robh@...nel.org>,
        Tomeu Vizoso <tomeu.vizoso@...labora.com>,
        Steven Price <steven.price@....com>,
        dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
        stable@...r.kernel.org
Subject: [PATCH] drm/panfrost: Use kvfree() to free bo->sgts in panfrost_mmu_map_fault_addr()

Use kvfree() to free bo->sgts, because the memory is allocated with
kvmalloc_array().

Fixes: 187d2929206e ("drm/panfrost: Add support for GPU heap allocations")
Cc: stable@...r.kernel.org
Signed-off-by: Denis Efremov <efremov@...ux.com>
---
 drivers/gpu/drm/panfrost/panfrost_mmu.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/panfrost/panfrost_mmu.c b/drivers/gpu/drm/panfrost/panfrost_mmu.c
index ed28aeba6d59..3c8ae7411c80 100644
--- a/drivers/gpu/drm/panfrost/panfrost_mmu.c
+++ b/drivers/gpu/drm/panfrost/panfrost_mmu.c
@@ -486,7 +486,7 @@ static int panfrost_mmu_map_fault_addr(struct panfrost_device *pfdev, int as,
 		pages = kvmalloc_array(bo->base.base.size >> PAGE_SHIFT,
 				       sizeof(struct page *), GFP_KERNEL | __GFP_ZERO);
 		if (!pages) {
-			kfree(bo->sgts);
+			kvfree(bo->sgts);
 			bo->sgts = NULL;
 			mutex_unlock(&bo->base.pages_lock);
 			ret = -ENOMEM;
-- 
2.26.2