On Mon, May 13, 2013 at 04:30:06PM -0400, Joern Engel wrote: > It is possible for one thread to to take se_sess->sess_cmd_lock in > core_tmr_abort_task() before taking a reference count on > se_cmd->cmd_kref, while another thread in target_put_sess_cmd() drops > se_cmd->cmd_kref before taking se_sess->sess_cmd_lock. > > This introduces kref_put_spinlock_irqsave() and uses it in > target_put_sess_cmd() to close the race window. > > Signed-off-by: Joern Engel <jo...@logfs.org>
For the kref.h part, please feel free to add: Acked-by: Greg Kroah-Hartman <gre...@linuxfoundation.org> -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
