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scsi: qla2xxx: Report invalid mailbox status codes

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It is easy to mix up the QLA_* and the MBS_* status codes. Complain loudly
if that happens.

Cc: Himanshu Madhani <hmadhani@marvell.com>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Tested-by: Himanshu Madhani <hmadhani@marvell.com>
Reviewed-by: Himanshu Madhani <hmadhani@marvell.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Bart Van Assche 2019-08-08 20:02:14 -07:00 committed by Martin K. Petersen
parent 1a20719e07
commit 724361921f
2 changed files with 14 additions and 0 deletions
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5
drivers/scsi/qla2xxx/qla_def.h
View File

@ -990,6 +990,11 @@ struct mbx_cmd_32 {
#define MBS_LINK_DOWN_ERROR 0x400B
#define MBS_DIAG_ECHO_TEST_ERROR 0x400C
static inline bool qla2xxx_is_valid_mbs(unsigned int mbs)
{
return MBS_COMMAND_COMPLETE <= mbs && mbs <= MBS_DIAG_ECHO_TEST_ERROR;
}
/*
* ISP mailbox asynchronous event status codes
*/

9
drivers/scsi/qla2xxx/qla_init.c
View File

@ -477,6 +477,9 @@ void qla24xx_handle_adisc_event(scsi_qla_host_t *vha, struct event_arg *ea)
fcport->fw_login_state, ea->rc, fcport->login_gen, ea->sp->gen2,
fcport->rscn_gen, ea->sp->gen1, fcport->loop_id);
WARN_ONCE(!qla2xxx_is_valid_mbs(ea->data[0]), "mbs: %#x\n",
ea->data[0]);
if (ea->data[0] != MBS_COMMAND_COMPLETE) {
ql_dbg(ql_dbg_disc, vha, 0x2066,
"%s %8phC: adisc fail: post delete\n",
@ -1893,6 +1896,9 @@ qla24xx_async_abort_command(srb_t *sp)
static void
qla24xx_handle_prli_done_event(struct scsi_qla_host *vha, struct event_arg *ea)
{
WARN_ONCE(!qla2xxx_is_valid_mbs(ea->data[0]), "mbs: %#x\n",
ea->data[0]);
switch (ea->data[0]) {
case MBS_COMMAND_COMPLETE:
ql_dbg(ql_dbg_disc, vha, 0x2118,
@ -1978,6 +1984,9 @@ qla24xx_handle_plogi_done_event(struct scsi_qla_host *vha, struct event_arg *ea)
return;
}
WARN_ONCE(!qla2xxx_is_valid_mbs(ea->data[0]), "mbs: %#x\n",
ea->data[0]);
switch (ea->data[0]) {
case MBS_COMMAND_COMPLETE:
/*