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-rw-r--r--drivers/scsi/scsi_debug.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/scsi/scsi_debug.c b/drivers/scsi/scsi_debug.c
index 1a42880..a102519 100644
--- a/drivers/scsi/scsi_debug.c
+++ b/drivers/scsi/scsi_debug.c
@@ -64,6 +64,7 @@ static const char * scsi_debug_version_date = "20100324";
/* Additional Sense Code (ASC) */
#define NO_ADDITIONAL_SENSE 0x0
#define LOGICAL_UNIT_NOT_READY 0x4
+#define LOGICAL_UNIT_COMMUNICATION_FAILURE 0x8
#define UNRECOVERED_READ_ERR 0x11
#define PARAMETER_LIST_LENGTH_ERR 0x1a
#define INVALID_OPCODE 0x20
@@ -2318,8 +2319,11 @@ static int resp_xdwriteread(struct scsi_cmnd *scp, unsigned long long lba,
/* better not to use temporary buffer. */
buf = kmalloc(scsi_bufflen(scp), GFP_ATOMIC);
- if (!buf)
- return ret;
+ if (!buf) {
+ mk_sense_buffer(devip, NOT_READY,
+ LOGICAL_UNIT_COMMUNICATION_FAILURE, 0);
+ return check_condition_result;
+ }
scsi_sg_copy_to_buffer(scp, buf, scsi_bufflen(scp));
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