wil6210: find TX vring only if vring_tx_data is enabled

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In TX vring allocation, vring_tx->va is allocated before WMI command to
configure the vring is sent to the device. As the WMI command can take
time to complete, it can lead to scenarios where vring_tx->va is not NULL
but vring is still not enabled.

This patch adds a check that vring_tx_data is enabled before returning
a valid TX vring.

Signed-off-by: Maya Erez <qca_merez@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>

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Maya Erez 2016-01-17 12:39:09 +02:00 • committed by Kalle Valo

parent 640751ac30

commit b729aaf066

1 changed files with 12 additions and 5 deletions

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17

drivers/net/wireless/ath/wil6210/txrx.c

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