[PATCH 25/30] hpsa: clarify obscure comment in adjust_hpsa_scsi_table

[Stephen M. Cameron]

From: Stephen M. Cameron <scameron@xxxxxxxxxxxxxxxxxx>

hpsa: clarify obscure comment in adjust_hpsa_scsi_table

Signed-off-by: Stephen M. Cameron <scameron@xxxxxxxxxxxxxxxxxx>
---
 drivers/scsi/hpsa.c |    6 +++++-
 1 files changed, 5 insertions(+), 1 deletions(-)

diff --git a/drivers/scsi/hpsa.c b/drivers/scsi/hpsa.c
index b91ccd4..42295c4 100644
--- a/drivers/scsi/hpsa.c
+++ b/drivers/scsi/hpsa.c
@@ -838,7 +838,11 @@ static void adjust_hpsa_scsi_table(struct ctlr_info *h, int hostno,
 			(void) hpsa_scsi_add_entry(h, hostno, sd[entry],
 				added, &nadded);
 			/* add can't fail, we just removed one. */
-			sd[entry] = NULL; /* prevent it from being freed */
+
+			/* Set it to NULL to prevent it from being freed
+			 * at the bottom of hpsa_update_scsi_devices()
+			 */
+			sd[entry] = NULL;
 		}
 		i++;
 	}

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