diff options
| author | Arun Easi <aeasi@marvell.com> | 2022-07-13 08:20:42 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-08-21 16:16:13 +0300 |
| commit | 2ffe5285ea5d907be5f5617abf498c5d8417e107 (patch) | |
| tree | d5f12685a6c54682ad8332e8fa033312d987ccac /drivers/scsi/qla2xxx/qla_mbx.c | |
| parent | b8aad5eba7385fa7f386624d2a0ef5f24225980a (diff) | |
| download | linux-2ffe5285ea5d907be5f5617abf498c5d8417e107.tar.xz | |
scsi: qla2xxx: Fix discovery issues in FC-AL topology
commit 47ccb113cead905bdc236571bf8ac6fed90321b3 upstream.
A direct attach tape device, when gets swapped with another, was not
discovered. Fix this by looking at loop map and reinitialize link if there
are devices present.
Link: https://lore.kernel.org/linux-scsi/baef87c3-5dad-3b47-44c1-6914bfc90108@cybernetics.com/
Link: https://lore.kernel.org/r/20220713052045.10683-8-njavali@marvell.com
Cc: stable@vger.kernel.org
Reported-by: Tony Battersby <tonyb@cybernetics.com>
Tested-by: Tony Battersby <tonyb@cybernetics.com>
Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Signed-off-by: Arun Easi <aeasi@marvell.com>
Signed-off-by: Nilesh Javali <njavali@marvell.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/scsi/qla2xxx/qla_mbx.c')
| -rw-r--r-- | drivers/scsi/qla2xxx/qla_mbx.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/scsi/qla2xxx/qla_mbx.c b/drivers/scsi/qla2xxx/qla_mbx.c index fe702ac5ce41..c43ec0e5dc43 100644 --- a/drivers/scsi/qla2xxx/qla_mbx.c +++ b/drivers/scsi/qla2xxx/qla_mbx.c @@ -3017,7 +3017,8 @@ qla2x00_get_resource_cnts(scsi_qla_host_t *vha) * Kernel context. */ int -qla2x00_get_fcal_position_map(scsi_qla_host_t *vha, char *pos_map) +qla2x00_get_fcal_position_map(scsi_qla_host_t *vha, char *pos_map, + u8 *num_entries) { int rval; mbx_cmd_t mc; @@ -3057,6 +3058,8 @@ qla2x00_get_fcal_position_map(scsi_qla_host_t *vha, char *pos_map) if (pos_map) memcpy(pos_map, pmap, FCAL_MAP_SIZE); + if (num_entries) + *num_entries = pmap[0]; } dma_pool_free(ha->s_dma_pool, pmap, pmap_dma); |