tree 6a93ccce6f545da153bc937548bc6fe1db1e99ab
parent d9c199ee781fa874e6feb4c56ae3d0e19f7f82a6
author Linas Vepstas <linas@austin.ibm.com> 1172011319 -0600
committer Jeff Garzik <jeff@garzik.org> 1172567763 -0500

spidernet: transmit race

Multiple threads performing a transmit can race into
the spidernet tx ring cleanup code. This puts the
relevant check under a lock.

Signed-off-by: Linas Vepstas <lins@austin.ibm.com>
Cc: Jens Osterkamp <Jens.Osterkamp@de.ibm.com>
Cc: Kou Ishizaki <kou.ishizaki@toshiba.co.jp>
Signed-off-by: Jeff Garzik <jeff@garzik.org>