[SCSI] libosd: check for kzalloc() failure

There wasn't any error handling for this kzalloc().
Signed-off-by: NDan Carpenter <dan.carpenter@oracle.com>
Acked-by: NBoaz Harrosh <bharrosh@panasas.com>
Signed-off-by: NJames Bottomley <JBottomley@Parallels.com>

drivers/scsi/osd/osd_initiator.c

@@ -144,6 +144,10 @@ static int _osd_get_print_system_info(struct osd_dev *od,
 	odi->osdname_len = get_attrs[a].len;
 	/* Avoid NULL for memcmp optimization 0-length is good enough */
 	odi->osdname = kzalloc(odi->osdname_len + 1, GFP_KERNEL);
+	if (!odi->osdname) {
+		ret = -ENOMEM;
+		goto out;
+	}
 	if (odi->osdname_len)
 		memcpy(odi->osdname, get_attrs[a].val_ptr, odi->osdname_len);
 	OSD_INFO("OSD_NAME               [%s]\n", odi->osdname);