diff options
| -rw-r--r-- | drivers/net/ethernet/broadcom/bnxt/bnxt.c | 34 |
1 files changed, 22 insertions, 12 deletions
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c index 67608d57c5f0..e30c43b693db 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c @@ -5628,9 +5628,10 @@ static void bnxt_dbg_dump_states(struct bnxt *bp) } } -static void bnxt_reset_task(struct bnxt *bp) +static void bnxt_reset_task(struct bnxt *bp, bool silent) { - bnxt_dbg_dump_states(bp); + if (!silent) + bnxt_dbg_dump_states(bp); if (netif_running(bp->dev)) { bnxt_close_nic(bp, false, false); bnxt_open_nic(bp, false, false); @@ -5681,6 +5682,23 @@ bnxt_restart_timer: mod_timer(&bp->timer, jiffies + bp->current_interval); } +/* Only called from bnxt_sp_task() */ +static void bnxt_reset(struct bnxt *bp, bool silent) +{ + /* bnxt_reset_task() calls bnxt_close_nic() which waits + * for BNXT_STATE_IN_SP_TASK to clear. + * If there is a parallel dev_close(), bnxt_close() may be holding + * rtnl() and waiting for BNXT_STATE_IN_SP_TASK to clear. So we + * must clear BNXT_STATE_IN_SP_TASK before holding rtnl(). + */ + clear_bit(BNXT_STATE_IN_SP_TASK, &bp->state); + rtnl_lock(); + if (test_bit(BNXT_STATE_OPEN, &bp->state)) + bnxt_reset_task(bp, silent); + set_bit(BNXT_STATE_IN_SP_TASK, &bp->state); + rtnl_unlock(); +} + static void bnxt_cfg_ntp_filters(struct bnxt *); static void bnxt_sp_task(struct work_struct *work) @@ -5717,16 +5735,8 @@ static void bnxt_sp_task(struct work_struct *work) bnxt_hwrm_tunnel_dst_port_free( bp, TUNNEL_DST_PORT_FREE_REQ_TUNNEL_TYPE_VXLAN); } - if (test_and_clear_bit(BNXT_RESET_TASK_SP_EVENT, &bp->sp_event)) { - /* bnxt_reset_task() calls bnxt_close_nic() which waits - * for BNXT_STATE_IN_SP_TASK to clear. - */ - clear_bit(BNXT_STATE_IN_SP_TASK, &bp->state); - rtnl_lock(); - bnxt_reset_task(bp); - set_bit(BNXT_STATE_IN_SP_TASK, &bp->state); - rtnl_unlock(); - } + if (test_and_clear_bit(BNXT_RESET_TASK_SP_EVENT, &bp->sp_event)) + bnxt_reset(bp, false); if (test_and_clear_bit(BNXT_HWRM_PORT_MODULE_SP_EVENT, &bp->sp_event)) bnxt_get_port_module_status(bp); |