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Merge tag 'ieee802154-for-net-2024-09-27' of git://git.kernel.org/pub/scm/linux/kernel/git/wpan/wpan

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Stefan Schmidt says:

====================
pull-request: ieee802154 for net 2024-09-27

Jinjie Ruan added the use of IRQF_NO_AUTOEN in the mcr20a driver and fixed
and addiotinal build dependency problem while doing so.

Jiawei Ye, ensured a correct RCU handling in mac802154_scan_worker.

* tag 'ieee802154-for-net-2024-09-27' of git://git.kernel.org/pub/scm/linux/kernel/git/wpan/wpan:
  net: ieee802154: mcr20a: Use IRQF_NO_AUTOEN flag in request_irq()
  mac802154: Fix potential RCU dereference issue in mac802154_scan_worker
  ieee802154: Fix build error
====================

Link: https://patch.msgid.link/20240927094351.3865511-1-stefan@datenfreihafen.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Jakub Kicinski 2024-10-02 17:07:00 -07:00
commit cb3ad11342
3 changed files with 5 additions and 5 deletions
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1
drivers/net/ieee802154/Kconfig
View File

@ -101,6 +101,7 @@ config IEEE802154_CA8210_DEBUGFS
config IEEE802154_MCR20A
tristate "MCR20A transceiver driver"
select REGMAP_SPI
depends on IEEE802154_DRIVERS && MAC802154
depends on SPI
help

5
drivers/net/ieee802154/mcr20a.c
View File

@ -1302,16 +1302,13 @@ mcr20a_probe(struct spi_device *spi)
irq_type = IRQF_TRIGGER_FALLING;
ret = devm_request_irq(&spi->dev, spi->irq, mcr20a_irq_isr,
irq_type, dev_name(&spi->dev), lp);
irq_type | IRQF_NO_AUTOEN, dev_name(&spi->dev), lp);
if (ret) {
dev_err(&spi->dev, "could not request_irq for mcr20a\n");
ret = -ENODEV;
goto free_dev;
}
/* disable_irq by default and wait for starting hardware */
disable_irq(spi->irq);
ret = ieee802154_register_hw(hw);
if (ret) {
dev_crit(&spi->dev, "ieee802154_register_hw failed\n");

4
net/mac802154/scan.c
View File

@ -176,6 +176,7 @@ void mac802154_scan_worker(struct work_struct *work)
struct ieee802154_local *local =
container_of(work, struct ieee802154_local, scan_work.work);
struct cfg802154_scan_request *scan_req;
enum nl802154_scan_types scan_req_type;
struct ieee802154_sub_if_data *sdata;
unsigned int scan_duration = 0;
struct wpan_phy *wpan_phy;
@ -209,6 +210,7 @@ void mac802154_scan_worker(struct work_struct *work)
}
wpan_phy = scan_req->wpan_phy;
scan_req_type = scan_req->type;
scan_req_duration = scan_req->duration;
/* Look for the next valid chan */
@ -246,7 +248,7 @@ void mac802154_scan_worker(struct work_struct *work)
goto end_scan;
}
if (scan_req->type == NL802154_SCAN_ACTIVE) {
if (scan_req_type == NL802154_SCAN_ACTIVE) {
ret = mac802154_transmit_beacon_req(local, sdata);
if (ret)
dev_err(&sdata->dev->dev,