accel/qaic: Fix GEM import path code

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

Fixes: ff13be8 ("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

Author: Pranjal Ramajor Asha Kanojiya

drivers/accel/qaic/qaic_data.c

@@ -777,7 +777,6 @@ 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();
@@ -795,13 +794,12 @@ 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