diff mbox series

[net-next] net: openvswitch: Release reference to netdev

Message ID 20240423073751.52706-1-jun.gu@easystack.cn (mailing list archive)
State Accepted
Commit 66270920f90fadb8f29477eb2b83cfb821bac621
Delegated to: Netdev Maintainers
Headers show
Series [net-next] net: openvswitch: Release reference to netdev | expand

Checks

Context Check Description
netdev/series_format success Single patches do not need cover letters
netdev/tree_selection success Clearly marked for net-next
netdev/ynl success Generated files up to date; no warnings/errors; no diff in generated;
netdev/fixes_present success Fixes tag not required for -next series
netdev/header_inline success No static functions without inline keyword in header files
netdev/build_32bit success Errors and warnings before: 926 this patch: 926
netdev/build_tools success No tools touched, skip
netdev/cc_maintainers fail 2 blamed authors not CCed: echaudro@redhat.com kuba@kernel.org; 4 maintainers not CCed: echaudro@redhat.com pabeni@redhat.com kuba@kernel.org edumazet@google.com
netdev/build_clang success Errors and warnings before: 937 this patch: 937
netdev/verify_signedoff success Signed-off-by tag matches author and committer
netdev/deprecated_api success None detected
netdev/check_selftest success No net selftest shell script
netdev/verify_fixes success Fixes tag looks correct
netdev/build_allmodconfig_warn success Errors and warnings before: 937 this patch: 937
netdev/checkpatch success total: 0 errors, 0 warnings, 0 checks, 18 lines checked
netdev/build_clang_rust success No Rust files in patch. Skipping build
netdev/kdoc success Errors and warnings before: 0 this patch: 0
netdev/source_inline success Was 0 now: 0
netdev/contest success net-next-2024-04-24--15-00 (tests: 995)

Commit Message

Jun Gu April 23, 2024, 7:37 a.m. UTC
dev_get_by_name will provide a reference on the netdev. So ensure that
the reference of netdev is released after completed.

Fixes: 2540088b836f ("net: openvswitch: Check vport netdev name")
Signed-off-by: Jun Gu <jun.gu@easystack.cn>
---
 net/openvswitch/vport-netdev.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

Comments

Aaron Conole April 24, 2024, 3:05 p.m. UTC | #1
Jun Gu <jun.gu@easystack.cn> writes:

> dev_get_by_name will provide a reference on the netdev. So ensure that
> the reference of netdev is released after completed.
>
> Fixes: 2540088b836f ("net: openvswitch: Check vport netdev name")
> Signed-off-by: Jun Gu <jun.gu@easystack.cn>
> ---

Thanks!

Reviewed-by: Aaron Conole <aconole@redhat.com>
patchwork-bot+netdevbpf@kernel.org April 25, 2024, 12:10 a.m. UTC | #2
Hello:

This patch was applied to netdev/net-next.git (main)
by Jakub Kicinski <kuba@kernel.org>:

On Tue, 23 Apr 2024 15:37:51 +0800 you wrote:
> dev_get_by_name will provide a reference on the netdev. So ensure that
> the reference of netdev is released after completed.
> 
> Fixes: 2540088b836f ("net: openvswitch: Check vport netdev name")
> Signed-off-by: Jun Gu <jun.gu@easystack.cn>
> ---
>  net/openvswitch/vport-netdev.c | 8 ++++++--
>  1 file changed, 6 insertions(+), 2 deletions(-)

Here is the summary with links:
  - [net-next] net: openvswitch: Release reference to netdev
    https://git.kernel.org/netdev/net-next/c/66270920f90f

You are awesome, thank you!
diff mbox series

Patch

diff --git a/net/openvswitch/vport-netdev.c b/net/openvswitch/vport-netdev.c
index 618edc346c0f..91a11067e458 100644
--- a/net/openvswitch/vport-netdev.c
+++ b/net/openvswitch/vport-netdev.c
@@ -78,12 +78,16 @@  struct vport *ovs_netdev_link(struct vport *vport, const char *name)
 	int err;
 
 	vport->dev = dev_get_by_name(ovs_dp_get_net(vport->dp), name);
+	if (!vport->dev) {
+		err = -ENODEV;
+		goto error_free_vport;
+	}
 	/* Ensure that the device exists and that the provided
 	 * name is not one of its aliases.
 	 */
-	if (!vport->dev || strcmp(name, ovs_vport_name(vport))) {
+	if (strcmp(name, ovs_vport_name(vport))) {
 		err = -ENODEV;
-		goto error_free_vport;
+		goto error_put;
 	}
 	netdev_tracker_alloc(vport->dev, &vport->dev_tracker, GFP_KERNEL);
 	if (vport->dev->flags & IFF_LOOPBACK ||