diff options
| author | Wei Yongjun <weiyongjun1@huawei.com> | 2019-08-14 04:48:14 +0000 |
|---|---|---|
| committer | Rob Herring <robh@kernel.org> | 2019-08-19 11:32:40 -0500 |
| commit | 3efdf83ca0f9d3149f8c2201dad86a74fd952f91 (patch) | |
| tree | 22fd59cdf41d7df66d3a28cb54ef2238c0091a41 /drivers/gpu/drm/panfrost/panfrost_mmu.c | |
| parent | df5eff6d2a44c8f01b0dcd61b0ed5715116e10b4 (diff) | |
drm/panfrost: Fix missing unlock on error in panfrost_mmu_map_fault_addr()
Add the missing unlock before return from function panfrost_mmu_map_fault_addr()
in the error handling case.
Fixes: 187d2929206e ("drm/panfrost: Add support for GPU heap allocations")
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Reviewed-by: Steven Price <steven.price@arm.com>
Signed-off-by: Rob Herring <robh@kernel.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20190814044814.102294-1-weiyongjun1@huawei.com
Diffstat (limited to 'drivers/gpu/drm/panfrost/panfrost_mmu.c')
| -rw-r--r-- | drivers/gpu/drm/panfrost/panfrost_mmu.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/gpu/drm/panfrost/panfrost_mmu.c b/drivers/gpu/drm/panfrost/panfrost_mmu.c index 2ed411f09d80..06f1a563e940 100644 --- a/drivers/gpu/drm/panfrost/panfrost_mmu.c +++ b/drivers/gpu/drm/panfrost/panfrost_mmu.c @@ -327,14 +327,17 @@ int panfrost_mmu_map_fault_addr(struct panfrost_device *pfdev, int as, u64 addr) if (!bo->base.pages) { bo->sgts = kvmalloc_array(bo->base.base.size / SZ_2M, sizeof(struct sg_table), GFP_KERNEL | __GFP_ZERO); - if (!bo->sgts) + if (!bo->sgts) { + mutex_unlock(&bo->base.pages_lock); return -ENOMEM; + } pages = kvmalloc_array(bo->base.base.size >> PAGE_SHIFT, sizeof(struct page *), GFP_KERNEL | __GFP_ZERO); if (!pages) { kfree(bo->sgts); bo->sgts = NULL; + mutex_unlock(&bo->base.pages_lock); return -ENOMEM; } bo->base.pages = pages; |