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authorDavid S. Miller <davem@davemloft.net>2016-11-15 16:54:36 +0100
committerDavid S. Miller <davem@davemloft.net>2016-11-15 16:54:36 +0100
commitbb598c1b8c9bf56981927dcb8c0dc34b8ff95342 (patch)
tree69fe6d3bcdbf0acb76e42b144d8af5a0234ccdcb /drivers/scsi/qla2xxx/qla_os.c
parentmdio: Demote print from info to debug in mdio_driver_register (diff)
parentMerge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net (diff)
downloadlinux-bb598c1b8c9bf56981927dcb8c0dc34b8ff95342.tar.xz
linux-bb598c1b8c9bf56981927dcb8c0dc34b8ff95342.zip
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Several cases of bug fixes in 'net' overlapping other changes in 'net-next-. Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/scsi/qla2xxx/qla_os.c')
-rw-r--r--drivers/scsi/qla2xxx/qla_os.c16
1 files changed, 16 insertions, 0 deletions
diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c
index ace65db1d2a2..567fa080e261 100644
--- a/drivers/scsi/qla2xxx/qla_os.c
+++ b/drivers/scsi/qla2xxx/qla_os.c
@@ -707,6 +707,11 @@ qla2xxx_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd)
srb_t *sp;
int rval;
+ if (unlikely(test_bit(UNLOADING, &base_vha->dpc_flags))) {
+ cmd->result = DID_NO_CONNECT << 16;
+ goto qc24_fail_command;
+ }
+
if (ha->flags.eeh_busy) {
if (ha->flags.pci_channel_io_perm_failure) {
ql_dbg(ql_dbg_aer, vha, 0x9010,
@@ -1451,6 +1456,15 @@ qla2x00_abort_all_cmds(scsi_qla_host_t *vha, int res)
for (cnt = 1; cnt < req->num_outstanding_cmds; cnt++) {
sp = req->outstanding_cmds[cnt];
if (sp) {
+ /* Get a reference to the sp and drop the lock.
+ * The reference ensures this sp->done() call
+ * - and not the call in qla2xxx_eh_abort() -
+ * ends the SCSI command (with result 'res').
+ */
+ sp_get(sp);
+ spin_unlock_irqrestore(&ha->hardware_lock, flags);
+ qla2xxx_eh_abort(GET_CMD_SP(sp));
+ spin_lock_irqsave(&ha->hardware_lock, flags);
req->outstanding_cmds[cnt] = NULL;
sp->done(vha, sp, res);
}
@@ -2341,6 +2355,8 @@ qla2xxx_scan_finished(struct Scsi_Host *shost, unsigned long time)
{
scsi_qla_host_t *vha = shost_priv(shost);
+ if (test_bit(UNLOADING, &vha->dpc_flags))
+ return 1;
if (!vha->host)
return 1;
if (time > vha->hw->loop_reset_delay * HZ)