tree 80d7c8d079301533eb1e72be9151ba6edea039b1
parent abbcb731d69cfa7fbcd7b77514ae04764827fdbf
author Ganesh Goudar <ganeshgr@chelsio.com> 1496235388 +0530
committer Greg Kroah-Hartman <gregkh@linuxfoundation.org> 1497445552 +0200

cxgb4: avoid enabling napi twice to the same queue


[ Upstream commit e7519f9926f1d0d11c776eb0475eb098c7760f68 ]

Take uld mutex to avoid race between cxgb_up() and
cxgb4_register_uld() to enable napi for the same uld
queue.

Signed-off-by: Ganesh Goudar <ganeshgr@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>