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-rw-r--r--drivers/scsi/ses.c10
1 files changed, 9 insertions, 1 deletions
diff --git a/drivers/scsi/ses.c b/drivers/scsi/ses.c
index 7d9cec50b77d..044d06410d4c 100644
--- a/drivers/scsi/ses.c
+++ b/drivers/scsi/ses.c
@@ -559,7 +559,15 @@ static void ses_enclosure_data_process(struct enclosure_device *edev,
if (desc_ptr)
desc_ptr += len;
- if (addl_desc_ptr)
+ if (addl_desc_ptr &&
+ /* only find additional descriptions for specific devices */
+ (type_ptr[0] == ENCLOSURE_COMPONENT_DEVICE ||
+ type_ptr[0] == ENCLOSURE_COMPONENT_ARRAY_DEVICE ||
+ type_ptr[0] == ENCLOSURE_COMPONENT_SAS_EXPANDER ||
+ /* these elements are optional */
+ type_ptr[0] == ENCLOSURE_COMPONENT_SCSI_TARGET_PORT ||
+ type_ptr[0] == ENCLOSURE_COMPONENT_SCSI_INITIATOR_PORT ||
+ type_ptr[0] == ENCLOSURE_COMPONENT_CONTROLLER_ELECTRONICS))
addl_desc_ptr += addl_desc_ptr[1] + 2;
}