[PATCH 26/30] hpsa: Fix hpsa_find_scsi_entry so that it doesn't tryto dereference NULL pointers

[Stephen M. Cameron]

From: Stephen M. Cameron <scameron@xxxxxxxxxxxxxxxxxx>

hpsa: Fix hpsa_find_scsi_entry so that it doesn't try to dereference NULL pointers

Signed-off-by: Stephen M. Cameron <scameron@xxxxxxxxxxxxxxxxxx>
---
 drivers/scsi/hpsa.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/drivers/scsi/hpsa.c b/drivers/scsi/hpsa.c
index 42295c4..2764cb6 100644
--- a/drivers/scsi/hpsa.c
+++ b/drivers/scsi/hpsa.c
@@ -776,6 +776,8 @@ static int hpsa_scsi_find_entry(struct hpsa_scsi_dev_t *needle,
 #define DEVICE_CHANGED 1
 #define DEVICE_SAME 2
 	for (i = 0; i < haystack_size; i++) {
+		if (haystack[i] == NULL) /* previously removed. */
+			continue;
 		if (SCSI3ADDR_EQ(needle->scsi3addr, haystack[i]->scsi3addr)) {
 			*index = i;
 			if (device_is_the_same(needle, haystack[i]))

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