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Upgrade to 4.4.50-rt62
[kvmfornfv.git]
/
kernel
/
drivers
/
scsi
/
scsi_lib.c
diff --git
a/kernel/drivers/scsi/scsi_lib.c
b/kernel/drivers/scsi/scsi_lib.c
index
dd8ad2a
..
cf5b99e
100644
(file)
--- a/
kernel/drivers/scsi/scsi_lib.c
+++ b/
kernel/drivers/scsi/scsi_lib.c
@@
-910,9
+910,12
@@
void scsi_io_completion(struct scsi_cmnd *cmd, unsigned int good_bytes)
}
/*
}
/*
- * If we finished all bytes in the request we are done now.
+ * special case: failed zero length commands always need to
+ * drop down into the retry code. Otherwise, if we finished
+ * all bytes in the request we are done now.
*/
*/
- if (!scsi_end_request(req, error, good_bytes, 0))
+ if (!(blk_rq_bytes(req) == 0 && error) &&
+ !scsi_end_request(req, error, good_bytes, 0))
return;
/*
return;
/*