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| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2025-08-01 09:51:29 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2025-08-01 09:51:29 +0100 |
| commit | ebbbf3c8df3ab52219c2b21e0d37e02acea2510d (patch) | |
| tree | 7f1fa62f6d9de23db96021995d1498ea07e24ea6 /drivers/net/can/dev/netlink.c | |
| parent | 46c7ff71b4b4638b172c9747c4e556bd8f98bad2 (diff) | |
| parent | 097aa9a71fd56cdc62c11bdf45a84f07acaa3604 (diff) | |
Merge v6.15.9linux-rolling-stable
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/net/can/dev/netlink.c')
| -rw-r--r-- | drivers/net/can/dev/netlink.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/net/can/dev/netlink.c b/drivers/net/can/dev/netlink.c index f1db9b7ffd4d0..d5aa8da87961e 100644 --- a/drivers/net/can/dev/netlink.c +++ b/drivers/net/can/dev/netlink.c @@ -285,6 +285,12 @@ static int can_changelink(struct net_device *dev, struct nlattr *tb[], } if (data[IFLA_CAN_RESTART_MS]) { + if (!priv->do_set_mode) { + NL_SET_ERR_MSG(extack, + "Device doesn't support restart from Bus Off"); + return -EOPNOTSUPP; + } + /* Do not allow changing restart delay while running */ if (dev->flags & IFF_UP) return -EBUSY; @@ -292,6 +298,12 @@ static int can_changelink(struct net_device *dev, struct nlattr *tb[], } if (data[IFLA_CAN_RESTART]) { + if (!priv->do_set_mode) { + NL_SET_ERR_MSG(extack, + "Device doesn't support restart from Bus Off"); + return -EOPNOTSUPP; + } + /* Do not allow a restart while not running */ if (!(dev->flags & IFF_UP)) return -EINVAL; |