[SCSI] ipr: Handler ID memory allocation failure at module load time

Reported-by: NFengguang Wu <fengguang.wu@intel.com>
Signed-off-by: NBrian King <brking@linux.vnet.ibm.com>
Signed-off-by: NWen Xiong <wenxiong@linux.vnet.ibm.com>
Signed-off-by: NJames Bottomley <JBottomley@Parallels.com>

drivers/scsi/ipr.c

@@ -8516,6 +8516,10 @@ static int ipr_alloc_mem(struct ipr_ioa_cfg *ioa_cfg)
 					     BITS_TO_LONGS(ioa_cfg->max_devs_supported), GFP_KERNEL);
 		ioa_cfg->vset_ids = kzalloc(sizeof(unsigned long) *
 					    BITS_TO_LONGS(ioa_cfg->max_devs_supported), GFP_KERNEL);
+
+		if (!ioa_cfg->target_ids || !ioa_cfg->array_ids
+			|| !ioa_cfg->vset_ids)
+			goto out_free_res_entries;
 	}
 
 	for (i = 0; i < ioa_cfg->max_devs_supported; i++) {
@@ -8591,6 +8595,9 @@ static int ipr_alloc_mem(struct ipr_ioa_cfg *ioa_cfg)
 			    ioa_cfg->vpd_cbs, ioa_cfg->vpd_cbs_dma);
 out_free_res_entries:
 	kfree(ioa_cfg->res_entries);
+	kfree(ioa_cfg->target_ids);
+	kfree(ioa_cfg->array_ids);
+	kfree(ioa_cfg->vset_ids);
 	goto out;
 }