From: Pranjal Ramajor Asha Kanojiya Date: Fri, 8 Dec 2023 16:34:54 +0000 (-0700) Subject: accel/qaic: Drop the reference to BO in error path of create BO IOCTL X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=ce5fed9aa0f6ff951bc1ef02f274875e67f070d2;p=linux.git accel/qaic: Drop the reference to BO in error path of create BO IOCTL Do not free BO explicitly in error path, just drop its reference, cleanup will be taken care by DRM as we have registered for ->free() callback. This patch makes sure that there is only one code path for BO to be freed. Signed-off-by: Pranjal Ramajor Asha Kanojiya Reviewed-by: Carl Vanderlip Reviewed-by: Jeffrey Hugo Signed-off-by: Jeffrey Hugo Reviewed-by: Jacek Lawrynowicz Link: https://patchwork.freedesktop.org/patch/msgid/20231208163457.1295993-5-quic_jhugo@quicinc.com --- diff --git a/drivers/accel/qaic/qaic_data.c b/drivers/accel/qaic/qaic_data.c index 89ab8fa193151..7faa00705c1d5 100644 --- a/drivers/accel/qaic/qaic_data.c +++ b/drivers/accel/qaic/qaic_data.c @@ -574,6 +574,9 @@ static void qaic_free_sgt(struct sg_table *sgt) { struct scatterlist *sg; + if (!sgt) + return; + for (sg = sgt->sgl; sg; sg = sg_next(sg)) if (sg_page(sg)) __free_pages(sg_page(sg), get_order(sg->length)); @@ -717,7 +720,7 @@ int qaic_create_bo_ioctl(struct drm_device *dev, void *data, struct drm_file *fi ret = drm_gem_handle_create(file_priv, obj, &args->handle); if (ret) - goto free_sgt; + goto free_bo; bo->handle = args->handle; drm_gem_object_put(obj); @@ -726,10 +729,8 @@ int qaic_create_bo_ioctl(struct drm_device *dev, void *data, struct drm_file *fi return 0; -free_sgt: - qaic_free_sgt(bo->sgt); free_bo: - kfree(bo); + drm_gem_object_put(obj); unlock_dev_srcu: srcu_read_unlock(&qdev->dev_lock, qdev_rcu_id); unlock_usr_srcu: