Merge tag 'linux-can-fixes-for-7.0-20260310' of git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can

Marc Kleine-Budde says:

====================
pull-request: can 2026-03-10

this is a pull request of 2 patches for net/main.

Haibo Chen's patch fixes the maximum allowed bit rate error, which was
broken in v6.19.

Wenyuan Li contributes a patch for the hi311x driver that adds missing
error checking in the caller of the hi3110_power_enable() function,
hi3110_open().

linux-can-fixes-for-7.0-20260310

* tag 'linux-can-fixes-for-7.0-20260310' of git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can:
  can: hi311x: hi3110_open(): add check for hi3110_power_enable() return value
  can: dev: keep the max bitrate error at 5%
====================

Link: https://patch.msgid.link/20260310103547.2299403-1-mkl@pengutronix.de
Signed-off-by: Paolo Abeni <pabeni@redhat.com>

Author: Paolo Abeni

drivers/net/can/dev/calc_bittiming.c

@@ -8,7 +8,7 @@
 #include <linux/units.h>
 #include <linux/can/dev.h>
 
-#define CAN_CALC_MAX_ERROR 50 /* in one-tenth of a percent */
+#define CAN_CALC_MAX_ERROR 500 /* max error 5% */
 
 /* CiA recommended sample points for Non Return to Zero encoding. */
 static int can_calc_sample_point_nrz(const struct can_bittiming *bt)

drivers/net/can/spi/hi311x.c

@@ -755,7 +755,9 @@ static int hi3110_open(struct net_device *net)
 		return ret;
 
 	mutex_lock(&priv->hi3110_lock);
-	hi3110_power_enable(priv->transceiver, 1);
+	ret = hi3110_power_enable(priv->transceiver, 1);
+	if (ret)
+		goto out_close_candev;
 
 	priv->force_quit = 0;
 	priv->tx_skb = NULL;
@@ -790,6 +792,7 @@ static int hi3110_open(struct net_device *net)
 	hi3110_hw_sleep(spi);
  out_close:
 	hi3110_power_enable(priv->transceiver, 0);
+ out_close_candev:
 	close_candev(net);
 	mutex_unlock(&priv->hi3110_lock);
 	return ret;