From d6c9b31ac3064fbedf8961f120a4c117daa59932 Mon Sep 17 00:00:00 2001 From: Dan Carpenter Date: Sat, 19 Oct 2019 11:59:13 +0300 Subject: scsi: csiostor: Don't enable IRQs too early These are called with IRQs disabled from csio_mgmt_tmo_handler() so we can't call spin_unlock_irq() or it will enable IRQs prematurely. Fixes: a3667aaed569 ("[SCSI] csiostor: Chelsio FCoE offload driver") Link: https://lore.kernel.org/r/20191019085913.GA14245@mwanda Signed-off-by: Dan Carpenter Signed-off-by: Martin K. Petersen --- drivers/scsi/csiostor/csio_lnode.c | 15 +++++++++------ 1 file changed, 9 insertions(+), 6 deletions(-) (limited to 'drivers/scsi') diff --git a/drivers/scsi/csiostor/csio_lnode.c b/drivers/scsi/csiostor/csio_lnode.c index 66e58f0a75dc..23cbe4cda760 100644 --- a/drivers/scsi/csiostor/csio_lnode.c +++ b/drivers/scsi/csiostor/csio_lnode.c @@ -301,6 +301,7 @@ csio_ln_fdmi_rhba_cbfn(struct csio_hw *hw, struct csio_ioreq *fdmi_req) struct fc_fdmi_port_name *port_name; uint8_t buf[64]; uint8_t *fc4_type; + unsigned long flags; if (fdmi_req->wr_status != FW_SUCCESS) { csio_ln_dbg(ln, "WR error:%x in processing fdmi rhba cmd\n", @@ -385,13 +386,13 @@ csio_ln_fdmi_rhba_cbfn(struct csio_hw *hw, struct csio_ioreq *fdmi_req) len = (uint32_t)(pld - (uint8_t *)cmd); /* Submit FDMI RPA request */ - spin_lock_irq(&hw->lock); + spin_lock_irqsave(&hw->lock, flags); if (csio_ln_mgmt_submit_req(fdmi_req, csio_ln_fdmi_done, FCOE_CT, &fdmi_req->dma_buf, len)) { CSIO_INC_STATS(ln, n_fdmi_err); csio_ln_dbg(ln, "Failed to issue fdmi rpa req\n"); } - spin_unlock_irq(&hw->lock); + spin_unlock_irqrestore(&hw->lock, flags); } /* @@ -412,6 +413,7 @@ csio_ln_fdmi_dprt_cbfn(struct csio_hw *hw, struct csio_ioreq *fdmi_req) struct fc_fdmi_rpl *reg_pl; struct fs_fdmi_attrs *attrib_blk; uint8_t buf[64]; + unsigned long flags; if (fdmi_req->wr_status != FW_SUCCESS) { csio_ln_dbg(ln, "WR error:%x in processing fdmi dprt cmd\n", @@ -491,13 +493,13 @@ csio_ln_fdmi_dprt_cbfn(struct csio_hw *hw, struct csio_ioreq *fdmi_req) attrib_blk->numattrs = htonl(numattrs); /* Submit FDMI RHBA request */ - spin_lock_irq(&hw->lock); + spin_lock_irqsave(&hw->lock, flags); if (csio_ln_mgmt_submit_req(fdmi_req, csio_ln_fdmi_rhba_cbfn, FCOE_CT, &fdmi_req->dma_buf, len)) { CSIO_INC_STATS(ln, n_fdmi_err); csio_ln_dbg(ln, "Failed to issue fdmi rhba req\n"); } - spin_unlock_irq(&hw->lock); + spin_unlock_irqrestore(&hw->lock, flags); } /* @@ -512,6 +514,7 @@ csio_ln_fdmi_dhba_cbfn(struct csio_hw *hw, struct csio_ioreq *fdmi_req) void *cmd; struct fc_fdmi_port_name *port_name; uint32_t len; + unsigned long flags; if (fdmi_req->wr_status != FW_SUCCESS) { csio_ln_dbg(ln, "WR error:%x in processing fdmi dhba cmd\n", @@ -542,13 +545,13 @@ csio_ln_fdmi_dhba_cbfn(struct csio_hw *hw, struct csio_ioreq *fdmi_req) len += sizeof(*port_name); /* Submit FDMI request */ - spin_lock_irq(&hw->lock); + spin_lock_irqsave(&hw->lock, flags); if (csio_ln_mgmt_submit_req(fdmi_req, csio_ln_fdmi_dprt_cbfn, FCOE_CT, &fdmi_req->dma_buf, len)) { CSIO_INC_STATS(ln, n_fdmi_err); csio_ln_dbg(ln, "Failed to issue fdmi dprt req\n"); } - spin_unlock_irq(&hw->lock); + spin_unlock_irqrestore(&hw->lock, flags); } /** -- cgit v1.2.3