tree 0e8a9437efcbdd363b60064542c0be76ea6cec63
parent d6ac6d56a1cc079b4ca5db39ce853f36fe855ec6
author Deepthi Gowri <c_gowri@qti.qualcomm.com> 1419239294 +0530
committer Satyanarayana Dash <c_sadash@qti.qualcomm.com> 1419319199 +0530

wlan: Synchronize cancel remain on channel and ROC expiry.

When remain on channel timer expires, ROC callback
is invoked which will free the  remain_on_chan_ctx
Context, later supplicant is is issuing a cancel
remain on channel which will de-reference
remain_on_chan_ctx.

To address this, accquire a mutex lock while cancel
remain on channel.

Change-Id: I6d86166b6b9a9efe2c76f04d36ca060855bc0d34
CRs-Fixed: 772988