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authorSascha Hauer <[email protected]>2023-08-23 09:50:21 +0200
committerKalle Valo <[email protected]>2023-08-25 13:02:27 +0300
commit290564367ab7fa7e2048bdc00d9c0ad016b41eea (patch)
tree8364ba6c18aaa51edecaa6edf5d974c99eb86db7 /tools/perf/scripts/python/futex-contention.py
parent78d84f35d2c3bf4434e9d785e4b4c33fa8e57878 (diff)
wifi: rtw88: usb: kill and free rx urbs on probe failure
After rtw_usb_alloc_rx_bufs() has been called rx urbs have been allocated and must be freed in the error path. After rtw_usb_init_rx() has been called they are submitted, so they also must be killed. Add these forgotten steps to the probe error path. Besides the lost memory this also fixes a problem when the driver fails to download the firmware in rtw_chip_info_setup(). In this case it can happen that the completion of the rx urbs handler runs at a time when we already freed our data structures resulting in a kernel crash. Fixes: a82dfd33d123 ("wifi: rtw88: Add common USB chip support") Cc: [email protected] Reported-by: Ilgaz Ă–cal <[email protected]> Signed-off-by: Sascha Hauer <[email protected]> Acked-by: Larry Finger <[email protected]> Acked-by: Ping-Ke Shih <[email protected]> Signed-off-by: Kalle Valo <[email protected]> Link: https://lore.kernel.org/r/[email protected]
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