tree 8a70198e809a6f0abd70031d3f2d6d7460e76d4f
parent ed4030d114efff53e2605ea4d07d39835b68b605
author Nicolas Pitre <nico@cam.org> 1119239781 -0400
committer Jeff Garzik <jgarzik@pobox.com> 1119847233 -0400

[PATCH] smc91x: plug race between TX tasklet and driver reset

The race causes a kernel oops when smc_hardware_send_pkt() tries to
dereference pending_tx_skb which would have been freed from one of the
driver reset paths just after the tx_task tasklet has been scheduled.
This race is possible on SMP but was uncovered by the kernel RT work.

Signed-off-by: Nicolas Pitre <nico@cam.org>