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wifi: rt2x00: Switch to use hrtimer_update_function()

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The field 'function' of struct hrtimer should not be changed directly, as
the write is lockless and a concurrent timer expiry might end up using the
wrong function pointer.

Switch to use hrtimer_update_function() which also performs runtime checks
that it is safe to modify the callback.

Signed-off-by: Nam Cao <namcao@linutronix.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/all/82dcc0eae40bb84e6452f242751c0650e79bd87e.1738746927.git.namcao@linutronix.de
This commit is contained in:
Nam Cao 2025-02-05 11:55:15 +01:00 committed by Thomas Gleixner
parent 3f8d93d137
commit 86a578e780
2 changed files with 2 additions and 2 deletions
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2
drivers/net/wireless/ralink/rt2x00/rt2800mmio.c
View File

@ -842,7 +842,7 @@ int rt2800mmio_probe_hw(struct rt2x00_dev *rt2x00dev)
/*
* Set txstatus timer function.
*/
rt2x00dev->txstatus_timer.function = rt2800mmio_tx_sta_fifo_timeout;
hrtimer_update_function(&rt2x00dev->txstatus_timer, rt2800mmio_tx_sta_fifo_timeout);
/*
* Overwrite TX done handler

2
drivers/net/wireless/ralink/rt2x00/rt2800usb.c
View File

@ -618,7 +618,7 @@ static int rt2800usb_probe_hw(struct rt2x00_dev *rt2x00dev)
/*
* Set txstatus timer function.
*/
rt2x00dev->txstatus_timer.function = rt2800usb_tx_sta_fifo_timeout;
hrtimer_update_function(&rt2x00dev->txstatus_timer, rt2800usb_tx_sta_fifo_timeout);
/*
* Overwrite TX done handler