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accel/qaic: Fix GEM import path code

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[ Upstream commit c8b6f4ad2ff9c6d88cdeb9acf16d0c4a323dd499 ]

Do not modify the size of dmabuf as it is immutable.

Fixes: ff13be830333 ("accel/qaic: Add datapath")
Signed-off-by: Pranjal Ramajor Asha Kanojiya <quic_pkanojiy@quicinc.com>
Reviewed-by: Jeffrey Hugo <quic_jhugo@quicinc.com>
Signed-off-by: Jeffrey Hugo <quic_jhugo@quicinc.com>
Reviewed-by: Jacek Lawrynowicz <jacek.lawrynowicz@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20231208163101.1295769-2-quic_jhugo@quicinc.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Pranjal Ramajor Asha Kanojiya 2023-12-08 09:31:00 -07:00 committed by Greg Kroah-Hartman
parent 30912a7f64
commit efcedd5699
1 changed files with 2 additions and 4 deletions
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6
drivers/accel/qaic/qaic_data.c
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@ -766,7 +766,6 @@ struct drm_gem_object *qaic_gem_prime_import(struct drm_device *dev, struct dma_
struct dma_buf_attachment *attach;
struct drm_gem_object *obj;
struct qaic_bo *bo;
size_t size;
int ret;
bo = qaic_alloc_init_bo();
@ -784,13 +783,12 @@ struct drm_gem_object *qaic_gem_prime_import(struct drm_device *dev, struct dma_
goto attach_fail;
}
size = PAGE_ALIGN(attach->dmabuf->size);
if (size == 0) {
if (!attach->dmabuf->size) {
ret = -EINVAL;
goto size_align_fail;
}
drm_gem_private_object_init(dev, obj, size);
drm_gem_private_object_init(dev, obj, attach->dmabuf->size);
/*
* skipping dma_buf_map_attachment() as we do not know the direction
* just yet. Once the direction is known in the subsequent IOCTL to