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authorJakub Kicinski <kuba@kernel.org>2025-07-17 10:56:56 -0700
committerJakub Kicinski <kuba@kernel.org>2025-07-24 11:10:46 -0700
commit8b5a19b4ff6a2096225d88cf24cfeef03edc1bed (patch)
tree652b9d5bcfacfcde6e14381a7f6fac8430f0ac13 /drivers/net/can/dev/netlink.c
parent94619ea2d933a2efeea5af63ec909bf2f1519a0e (diff)
parent407c114c983f6eb87161853f0fdbe4a08e394b92 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Cross-merge networking fixes after downstream PR (net-6.16-rc8). Conflicts: drivers/net/ethernet/microsoft/mana/gdma_main.c 9669ddda18fb ("net: mana: Fix warnings for missing export.h header inclusion") 755391121038 ("net: mana: Allocate MSI-X vectors dynamically") https://lore.kernel.org/20250711130752.23023d98@canb.auug.org.au Adjacent changes: drivers/net/ethernet/ti/icssg/icssg_prueth.h 6e86fb73de0f ("net: ti: icssg-prueth: Fix buffer allocation for ICSSG") ffe8a4909176 ("net: ti: icssg-prueth: Read firmware-names from device tree") Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'drivers/net/can/dev/netlink.c')
-rw-r--r--drivers/net/can/dev/netlink.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/net/can/dev/netlink.c b/drivers/net/can/dev/netlink.c
index 13826e8a707b..d9f6ab3efb97 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;