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Commit f2bfd615 authored by Linux Build Service Account's avatar Linux Build Service Account Committed by Gerrit - the friendly Code Review server
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Merge "qseecom: allocate sglistinfo buffer for kernel clients"

parents 8520282a b54cce80

drivers/misc/qseecom.c

+12 −0
Original line number Diff line number Diff line
@@ -3324,6 +3324,7 @@ static int __qseecom_update_cmd_buf_64(void *msg, bool cleanup, 
				}

			}

			len = QSEECOM_SG_LIST_BUF_HDR_SZ_64BIT;

			sg = sg_ptr->sgl;

			goto cleanup;

		}

		sg = sg_ptr->sgl;
@@ -4090,12 +4091,21 @@ int qseecom_start_app(struct qseecom_handle **handle, 
	data->client.user_virt_sb_base = 0;

	data->client.ihandle = NULL;



	/* Allocate sglistinfo buffer for kernel client */

	data->sglistinfo_ptr = kzalloc(SGLISTINFO_TABLE_SIZE, GFP_KERNEL);

	if (!(data->sglistinfo_ptr)) {

		kfree(data);

		kfree(*handle);

		*handle = NULL;

		return -ENOMEM;

	}

	init_waitqueue_head(&data->abort_wq);



	data->client.ihandle = ion_alloc(qseecom.ion_clnt, size, 4096,

				ION_HEAP(ION_QSECOM_HEAP_ID), 0);

	if (IS_ERR_OR_NULL(data->client.ihandle)) {

		pr_err("Ion client could not retrieve the handle\n");

		kfree(data->sglistinfo_ptr);

		kfree(data);

		kfree(*handle);

		*handle = NULL;
@@ -4193,6 +4203,7 @@ int qseecom_start_app(struct qseecom_handle **handle, 
	return 0;



err:

	kfree(data->sglistinfo_ptr);

	kfree(data);

	kfree(*handle);

	*handle = NULL;
@@ -4240,6 +4251,7 @@ int qseecom_shutdown_app(struct qseecom_handle **handle) 


	mutex_unlock(&app_access_lock);

	if (ret == 0) {

		kzfree(data->sglistinfo_ptr);

		kzfree(data);

		kzfree(*handle);

		kzfree(kclient);