diff mbox series

[net-next,v2,10/13] net: devlink: add not cleared type warning to port unregister

Message ID 20221003105204.3315337-11-jiri@resnulli.us (mailing list archive)
State Changes Requested
Delegated to: Netdev Maintainers
Headers show
Series net: fix netdev to devlink_port linkage and expose to user | expand

Checks

Context Check Description
netdev/tree_selection success Clearly marked for net-next, async
netdev/fixes_present success Fixes tag not required for -next series
netdev/subject_prefix success Link
netdev/cover_letter success Series has a cover letter
netdev/patch_count success Link
netdev/header_inline success No static functions without inline keyword in header files
netdev/build_32bit success Errors and warnings before: 2 this patch: 2
netdev/cc_maintainers success CCed 6 of 6 maintainers
netdev/build_clang success Errors and warnings before: 5 this patch: 5
netdev/module_param success Was 0 now: 0
netdev/verify_signedoff success Signed-off-by tag matches author and committer
netdev/check_selftest success No net selftest shell script
netdev/verify_fixes success No Fixes tag
netdev/build_allmodconfig_warn success Errors and warnings before: 2 this patch: 2
netdev/checkpatch success total: 0 errors, 0 warnings, 0 checks, 7 lines checked
netdev/kdoc success Errors and warnings before: 0 this patch: 0
netdev/source_inline success Was 0 now: 0

Commit Message

Jiri Pirko Oct. 3, 2022, 10:52 a.m. UTC 
From: Jiri Pirko <jiri@nvidia.com>

By the time port unregister is called. There should be no type set. Make
sure that the driver cleared it before and warn in case it didn't. This
enforces symmetricity with type set and port register.

Signed-off-by: Jiri Pirko <jiri@nvidia.com>
---
 net/core/devlink.c | 1 +
 1 file changed, 1 insertion(+)
diff mbox series

Patch

diff --git a/net/core/devlink.c b/net/core/devlink.c
index 2f565976979f..cac0c7852159 100644
--- a/net/core/devlink.c
+++ b/net/core/devlink.c
@@ -9977,6 +9977,7 @@  EXPORT_SYMBOL_GPL(devlink_port_register);
 void devl_port_unregister(struct devlink_port *devlink_port)
 {
 	lockdep_assert_held(&devlink_port->devlink->lock);
+	WARN_ON(devlink_port->type != DEVLINK_PORT_TYPE_NOTSET);
 
 	devlink_port_type_warn_cancel(devlink_port);
 	devlink_port_notify(devlink_port, DEVLINK_CMD_PORT_DEL);