git.stricted.de - GitHub/LineageOS/android_kernel_motorola

author	Maya Erez <qca_merez@qca.qualcomm.com>
	Sun, 17 Jan 2016 10:39:09 +0000 (12:39 +0200)
committer	Kalle Valo <kvalo@qca.qualcomm.com>
	Tue, 26 Jan 2016 14:47:38 +0000 (16:47 +0200)
commit	b729aaf066b013458e95cd6c69a5e371eb9ce355
tree	6420743582d413b9c285173b9c7aa1ad28e1d4d3	tree \| snapshot (tar.gz zip)
parent	640751ac30b2ddfbe06ad712aa7d57a8d89a7eef	commit \| diff

wil6210: find TX vring only if vring_tx_data is enabled

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>