tree 4fa6af4c7579459e3543cd19de8b0bd122569869
parent 955ec4cb3b54c7c389a9f830be7d3ae2056b9212
author Ganesh Goudar <ganeshgr@chelsio.com> 1516867183 +0530
committer David S. Miller <davem@davemloft.net> 1516915854 -0500

cxgb4: fix possible deadlock

t4_wr_mbox_meat_timeout() can be called from both softirq
context and process context, hence protect the mbox with
spin_lock_bh() instead of simple spin_lock()

Signed-off-by: Ganesh Goudar <ganeshgr@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>