diff mbox series

[v2] bus/fslmc: fix memory leak in secondary process

Message ID 1594983017-21936-1-git-send-email-wangyunjian@huawei.com (mailing list archive)
State Accepted, archived
Delegated to: David Marchand
Headers
Series [v2] bus/fslmc: fix memory leak in secondary process |

Checks

Context Check Description
ci/checkpatch success coding style OK
ci/Intel-compilation success Compilation OK
ci/travis-robot success Travis build: passed
ci/iol-broadcom-Performance success Performance Testing PASS
ci/iol-intel-Performance success Performance Testing PASS
ci/iol-testing success Testing PASS

Commit Message

Yunjian Wang July 17, 2020, 10:50 a.m. UTC 
  From: Yunjian Wang <wangyunjian@huawei.com>

In fslmc_process_mcp(), we allocate memory for 'dev_name' but not
released before return in secondary process. And it is not used
since commit a69f79300262 ("bus/fslmc: support multi VFIO group"),
so it can be removed.

Fixes: e55d0494ab98 ("bus/fslmc: support secondary process")
Cc: stable@dpdk.org

Signed-off-by: Yunjian Wang <wangyunjian@huawei.com>
---
v2:
* Remove unused dev_name suggested by David Marchand
---
 drivers/bus/fslmc/fslmc_vfio.c | 12 ------------
 1 file changed, 12 deletions(-)

Comments

Hemant Agrawal July 20, 2020, 5:28 a.m. UTC | #1 
Acked-by: Hemant Agrawal <hemant.agrawal@nxp.com>
David Marchand July 21, 2020, 6:52 p.m. UTC | #2 
On Fri, Jul 17, 2020 at 12:50 PM wangyunjian <wangyunjian@huawei.com> wrote:
>
> From: Yunjian Wang <wangyunjian@huawei.com>
>
> In fslmc_process_mcp(), we allocate memory for 'dev_name' but not
> released before return in secondary process. And it is not used
> since commit a69f79300262 ("bus/fslmc: support multi VFIO group"),
> so it can be removed.
>
> Fixes: e55d0494ab98 ("bus/fslmc: support secondary process")
> Cc: stable@dpdk.org
>
> Signed-off-by: Yunjian Wang <wangyunjian@huawei.com>

Acked-by: Hemant Agrawal <hemant.agrawal@nxp.com>

Applied, thanks.
diff mbox series

Patch

diff --git a/drivers/bus/fslmc/fslmc_vfio.c b/drivers/bus/fslmc/fslmc_vfio.c
index efe2c43d3..9134ec552 100644
--- a/drivers/bus/fslmc/fslmc_vfio.c
+++ b/drivers/bus/fslmc/fslmc_vfio.c
@@ -739,7 +739,6 @@  fslmc_process_mcp(struct rte_dpaa2_device *dev)
 {
 	int ret;
 	intptr_t v_addr;
-	char *dev_name = NULL;
 	struct fsl_mc_io dpmng  = {0};
 	struct mc_version mc_ver_info = {0};
 
@@ -750,13 +749,6 @@  fslmc_process_mcp(struct rte_dpaa2_device *dev)
 		goto cleanup;
 	}
 
-	dev_name = strdup(dev->device.name);
-	if (!dev_name) {
-		DPAA2_BUS_ERR("Unable to allocate MC device name memory");
-		ret = -ENOMEM;
-		goto cleanup;
-	}
-
 	v_addr = vfio_map_mcp_obj(dev->device.name);
 	if (v_addr == (intptr_t)MAP_FAILED) {
 		DPAA2_BUS_ERR("Error mapping region (errno = %d)", errno);
@@ -793,13 +785,9 @@  fslmc_process_mcp(struct rte_dpaa2_device *dev)
 	}
 	rte_mcp_ptr_list[MC_PORTAL_INDEX] = (void *)v_addr;
 
-	free(dev_name);
 	return 0;
 
 cleanup:
-	if (dev_name)
-		free(dev_name);
-
 	if (rte_mcp_ptr_list) {
 		free(rte_mcp_ptr_list);
 		rte_mcp_ptr_list = NULL;