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authorMarc Kleine-Budde <mkl@pengutronix.de>2023-01-31 17:42:59 +0300
committerMarc Kleine-Budde <mkl@pengutronix.de>2023-02-06 15:57:26 +0300
commit286c0e09e8e07de0f116a01aa234b05d9956dcf5 (patch)
tree6965155bc9593d127164c674965d7b851a547dbe /drivers/net/can/dev
parent1494d27f64f0855086bfefa0391f4e9f29315699 (diff)
downloadlinux-286c0e09e8e07de0f116a01aa234b05d9956dcf5.tar.xz
can: bittiming: can_changelink() pass extack down callstack
This is a preparation patch. In order to pass warning/error messages during netlink calls back to user space, pass the extack struct down the callstack of can_changelink(), the actual error messages will be added in the following ptaches. Link: https://lore.kernel.org/all/20230202110854.2318594-10-mkl@pengutronix.de Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Diffstat (limited to 'drivers/net/can/dev')
-rw-r--r--drivers/net/can/dev/bittiming.c15
-rw-r--r--drivers/net/can/dev/calc_bittiming.c2
-rw-r--r--drivers/net/can/dev/netlink.c6
3 files changed, 14 insertions, 9 deletions
diff --git a/drivers/net/can/dev/bittiming.c b/drivers/net/can/dev/bittiming.c
index 263e46a1f648..0b0b8c767c5b 100644
--- a/drivers/net/can/dev/bittiming.c
+++ b/drivers/net/can/dev/bittiming.c
@@ -12,7 +12,8 @@
* file linux/can/netlink.h.
*/
static int can_fixup_bittiming(const struct net_device *dev, struct can_bittiming *bt,
- const struct can_bittiming_const *btc)
+ const struct can_bittiming_const *btc,
+ struct netlink_ext_ack *extack)
{
const struct can_priv *priv = netdev_priv(dev);
unsigned int tseg1;
@@ -50,7 +51,8 @@ static int can_fixup_bittiming(const struct net_device *dev, struct can_bittimin
static int
can_validate_bitrate(const struct net_device *dev, const struct can_bittiming *bt,
const u32 *bitrate_const,
- const unsigned int bitrate_const_cnt)
+ const unsigned int bitrate_const_cnt,
+ struct netlink_ext_ack *extack)
{
unsigned int i;
@@ -65,7 +67,8 @@ can_validate_bitrate(const struct net_device *dev, const struct can_bittiming *b
int can_get_bittiming(const struct net_device *dev, struct can_bittiming *bt,
const struct can_bittiming_const *btc,
const u32 *bitrate_const,
- const unsigned int bitrate_const_cnt)
+ const unsigned int bitrate_const_cnt,
+ struct netlink_ext_ack *extack)
{
/* Depending on the given can_bittiming parameter structure the CAN
* timing parameters are calculated based on the provided bitrate OR
@@ -73,12 +76,12 @@ int can_get_bittiming(const struct net_device *dev, struct can_bittiming *bt,
* provided directly which are then checked and fixed up.
*/
if (!bt->tq && bt->bitrate && btc)
- return can_calc_bittiming(dev, bt, btc);
+ return can_calc_bittiming(dev, bt, btc, extack);
if (bt->tq && !bt->bitrate && btc)
- return can_fixup_bittiming(dev, bt, btc);
+ return can_fixup_bittiming(dev, bt, btc, extack);
if (!bt->tq && bt->bitrate && bitrate_const)
return can_validate_bitrate(dev, bt, bitrate_const,
- bitrate_const_cnt);
+ bitrate_const_cnt, extack);
return -EINVAL;
}
diff --git a/drivers/net/can/dev/calc_bittiming.c b/drivers/net/can/dev/calc_bittiming.c
index 28dbb6cbfd5d..46d28f377186 100644
--- a/drivers/net/can/dev/calc_bittiming.c
+++ b/drivers/net/can/dev/calc_bittiming.c
@@ -63,7 +63,7 @@ can_update_sample_point(const struct can_bittiming_const *btc,
}
int can_calc_bittiming(const struct net_device *dev, struct can_bittiming *bt,
- const struct can_bittiming_const *btc)
+ const struct can_bittiming_const *btc, struct netlink_ext_ack *extack)
{
struct can_priv *priv = netdev_priv(dev);
unsigned int bitrate; /* current bitrate */
diff --git a/drivers/net/can/dev/netlink.c b/drivers/net/can/dev/netlink.c
index a03b45a020b9..036d85ef07f5 100644
--- a/drivers/net/can/dev/netlink.c
+++ b/drivers/net/can/dev/netlink.c
@@ -215,7 +215,8 @@ static int can_changelink(struct net_device *dev, struct nlattr *tb[],
err = can_get_bittiming(dev, &bt,
priv->bittiming_const,
priv->bitrate_const,
- priv->bitrate_const_cnt);
+ priv->bitrate_const_cnt,
+ extack);
if (err)
return err;
@@ -320,7 +321,8 @@ static int can_changelink(struct net_device *dev, struct nlattr *tb[],
err = can_get_bittiming(dev, &dbt,
priv->data_bittiming_const,
priv->data_bitrate_const,
- priv->data_bitrate_const_cnt);
+ priv->data_bitrate_const_cnt,
+ extack);
if (err)
return err;