hpsa: fix null device issues
Reviewed-by: Tomas Henzl <thenzl@redhat.com> Reviewed-by: Manoj Kumar <manoj@linux.vnet.ibm.com> Signed-off-by: Don Brace <don.brace@pmcs.com> Reviewed-by: Hannes Reinecke <hare@suse.de> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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@ -1135,7 +1135,7 @@ static int hpsa_find_target_lun(struct ctlr_info *h,
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return !found;
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}
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static inline void hpsa_show_dev_msg(const char *level, struct ctlr_info *h,
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static void hpsa_show_dev_msg(const char *level, struct ctlr_info *h,
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struct hpsa_scsi_dev_t *dev, char *description)
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{
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if (h == NULL || h->pdev == NULL || h->scsi_host == NULL)
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@ -1419,6 +1419,9 @@ static int hpsa_scsi_find_entry(struct hpsa_scsi_dev_t *needle,
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#define DEVICE_CHANGED 1
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#define DEVICE_SAME 2
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#define DEVICE_UPDATED 3
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if (needle == NULL)
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return DEVICE_NOT_FOUND;
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for (i = 0; i < haystack_size; i++) {
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if (haystack[i] == NULL) /* previously removed. */
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continue;
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@ -1581,6 +1584,8 @@ static void hpsa_figure_phys_disk_ptrs(struct ctlr_info *h,
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if (!logical_drive->offload_config)
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continue;
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for (j = 0; j < ndevices; j++) {
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if (dev[j] == NULL)
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continue;
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if (dev[j]->devtype != TYPE_DISK)
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continue;
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if (is_logical_dev_addr_mode(dev[j]->scsi3addr))
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@ -1624,6 +1629,8 @@ static void hpsa_update_log_drive_phys_drive_ptrs(struct ctlr_info *h,
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int i;
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for (i = 0; i < ndevices; i++) {
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if (dev[i] == NULL)
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continue;
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if (dev[i]->devtype != TYPE_DISK)
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continue;
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if (!is_logical_dev_addr_mode(dev[i]->scsi3addr))
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@ -1737,8 +1744,11 @@ static void adjust_hpsa_scsi_table(struct ctlr_info *h,
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/* Now that h->dev[]->phys_disk[] is coherent, we can enable
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* any logical drives that need it enabled.
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*/
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for (i = 0; i < h->ndevices; i++)
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for (i = 0; i < h->ndevices; i++) {
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if (h->dev[i] == NULL)
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continue;
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h->dev[i]->offload_enabled = h->dev[i]->offload_to_be_enabled;
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}
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spin_unlock_irqrestore(&h->devlock, flags);
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@ -1763,6 +1773,8 @@ static void adjust_hpsa_scsi_table(struct ctlr_info *h,
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sh = h->scsi_host;
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/* Notify scsi mid layer of any removed devices */
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for (i = 0; i < nremoved; i++) {
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if (removed[i] == NULL)
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continue;
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if (removed[i]->expose_state & HPSA_SCSI_ADD) {
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struct scsi_device *sdev =
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scsi_device_lookup(sh, removed[i]->bus,
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@ -1786,18 +1798,18 @@ static void adjust_hpsa_scsi_table(struct ctlr_info *h,
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/* Notify scsi mid layer of any added devices */
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for (i = 0; i < nadded; i++) {
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if (added[i] == NULL)
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continue;
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if (!(added[i]->expose_state & HPSA_SCSI_ADD))
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continue;
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if (scsi_add_device(sh, added[i]->bus,
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added[i]->target, added[i]->lun) == 0)
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continue;
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hpsa_show_dev_msg(KERN_WARNING, h, added[i],
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"addition failed, device not added.");
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dev_warn(&h->pdev->dev, "addition failed, device not added.");
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/* now we have to remove it from h->dev,
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* since it didn't get added to scsi mid layer
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*/
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fixup_botched_add(h, added[i]);
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added[i] = NULL;
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}
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free_and_out:
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