diff options
Diffstat (limited to 'drivers/net/netdevsim/dev.c')
| -rw-r--r-- | drivers/net/netdevsim/dev.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/net/netdevsim/dev.c b/drivers/net/netdevsim/dev.c index d538a39d4225..ff5714209b86 100644 --- a/drivers/net/netdevsim/dev.c +++ b/drivers/net/netdevsim/dev.c @@ -864,16 +864,23 @@ static int nsim_dev_reload_down(struct devlink *devlink, bool netns_change, struct netlink_ext_ack *extack) { struct nsim_dev *nsim_dev = devlink_priv(devlink); + struct nsim_bus_dev *nsim_bus_dev; + + nsim_bus_dev = nsim_dev->nsim_bus_dev; + if (!mutex_trylock(&nsim_bus_dev->nsim_bus_reload_lock)) + return -EOPNOTSUPP; if (nsim_dev->dont_allow_reload) { /* For testing purposes, user set debugfs dont_allow_reload * value to true. So forbid it. */ NL_SET_ERR_MSG_MOD(extack, "User forbid the reload for testing purposes"); + mutex_unlock(&nsim_bus_dev->nsim_bus_reload_lock); return -EOPNOTSUPP; } nsim_dev_reload_destroy(nsim_dev); + mutex_unlock(&nsim_bus_dev->nsim_bus_reload_lock); return 0; } |