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-rw-r--r--drivers/net/can/cc770/Kconfig1
-rw-r--r--drivers/net/can/dev/dev.c2
-rw-r--r--drivers/net/can/sja1000/Kconfig1
-rw-r--r--drivers/net/can/vcan.c2
-rw-r--r--drivers/net/can/vxcan.c2
5 files changed, 5 insertions, 3 deletions
diff --git a/drivers/net/can/cc770/Kconfig b/drivers/net/can/cc770/Kconfig
index 9ef1359319..467ef19de1 100644
--- a/drivers/net/can/cc770/Kconfig
+++ b/drivers/net/can/cc770/Kconfig
@@ -7,6 +7,7 @@ if CAN_CC770
config CAN_CC770_ISA
tristate "ISA Bus based legacy CC770 driver"
+ depends on ISA
help
This driver adds legacy support for CC770 and AN82527 chips
connected to the ISA bus using I/O port, memory mapped or
diff --git a/drivers/net/can/dev/dev.c b/drivers/net/can/dev/dev.c
index 3a3be5cdfc..83e724e0ab 100644
--- a/drivers/net/can/dev/dev.c
+++ b/drivers/net/can/dev/dev.c
@@ -338,7 +338,7 @@ int can_change_mtu(struct net_device *dev, int new_mtu)
return -EINVAL;
}
- dev->mtu = new_mtu;
+ WRITE_ONCE(dev->mtu, new_mtu);
return 0;
}
EXPORT_SYMBOL_GPL(can_change_mtu);
diff --git a/drivers/net/can/sja1000/Kconfig b/drivers/net/can/sja1000/Kconfig
index 4b2f9cb17f..01168db4c1 100644
--- a/drivers/net/can/sja1000/Kconfig
+++ b/drivers/net/can/sja1000/Kconfig
@@ -87,6 +87,7 @@ config CAN_PLX_PCI
config CAN_SJA1000_ISA
tristate "ISA Bus based legacy SJA1000 driver"
+ depends on ISA
help
This driver adds legacy support for SJA1000 chips connected to
the ISA bus using I/O port, memory mapped or indirect access.
diff --git a/drivers/net/can/vcan.c b/drivers/net/can/vcan.c
index 285635c234..f67e858071 100644
--- a/drivers/net/can/vcan.c
+++ b/drivers/net/can/vcan.c
@@ -140,7 +140,7 @@ static int vcan_change_mtu(struct net_device *dev, int new_mtu)
!can_is_canxl_dev_mtu(new_mtu))
return -EINVAL;
- dev->mtu = new_mtu;
+ WRITE_ONCE(dev->mtu, new_mtu);
return 0;
}
diff --git a/drivers/net/can/vxcan.c b/drivers/net/can/vxcan.c
index f7fabba707..9e1b7d4100 100644
--- a/drivers/net/can/vxcan.c
+++ b/drivers/net/can/vxcan.c
@@ -135,7 +135,7 @@ static int vxcan_change_mtu(struct net_device *dev, int new_mtu)
!can_is_canxl_dev_mtu(new_mtu))
return -EINVAL;
- dev->mtu = new_mtu;
+ WRITE_ONCE(dev->mtu, new_mtu);
return 0;
}