diff options
| author |   Jakub Kicinski <kuba@kernel.org> | 2022-03-18 12:23:44 -0700 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2022-03-21 14:11:38 +0000 |
| commit | 14e426bf1a4d77ac87d0fa2a964092a23f863e44 (patch) | |
| tree | d4f9bb5b5757380586328e8b6433a8b7fff3da71 /net/core/devlink.c | |
| parent | netdevsim: replace vfs_lock with devlink instance lock (diff) | |
| download | linux-dev-14e426bf1a4d77ac87d0fa2a964092a23f863e44.tar.xz linux-dev-14e426bf1a4d77ac87d0fa2a964092a23f863e44.zip | |
devlink: hold the instance lock during eswitch_mode callbacks
Make the devlink core hold the instance lock during eswitch_mode
callbacks. Cheat in case of mlx5 (see the cover letter).
Reviewed-by: Leon Romanovsky <leonro@nvidia.com>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/core/devlink.c')
| -rw-r--r-- | net/core/devlink.c | 6 |
1 files changed, 0 insertions, 6 deletions
diff --git a/net/core/devlink.c b/net/core/devlink.c index 5aac5370c136..aeca13b6e57b 100644 --- a/net/core/devlink.c +++ b/net/core/devlink.c @@ -2868,15 +2868,11 @@ static int devlink_rate_nodes_check(struct devlink *devlink, u16 mode, { struct devlink_rate *devlink_rate; - /* Take the lock to sync with destroy */ - mutex_lock(&devlink->lock); list_for_each_entry(devlink_rate, &devlink->rate_list, list) if (devlink_rate_is_node(devlink_rate)) { - mutex_unlock(&devlink->lock); NL_SET_ERR_MSG_MOD(extack, "Rate node(s) exists."); return -EBUSY; } - mutex_unlock(&devlink->lock); return 0; } @@ -8735,14 +8731,12 @@ static const struct genl_small_ops devlink_nl_ops[] = { .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, .doit = devlink_nl_cmd_eswitch_get_doit, .flags = GENL_ADMIN_PERM, - .internal_flags = DEVLINK_NL_FLAG_NO_LOCK, }, { .cmd = DEVLINK_CMD_ESWITCH_SET, .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, .doit = devlink_nl_cmd_eswitch_set_doit, .flags = GENL_ADMIN_PERM, - .internal_flags = DEVLINK_NL_FLAG_NO_LOCK, }, { .cmd = DEVLINK_CMD_DPIPE_TABLE_GET, |