For 6-byte r/w commands, transfer length 0 means 256 blocks of data,
not 0 block.
Signed-off-by: Akinobu Mita <akinobu.mita@xxxxxxxxx>
Cc: Don Brace <don.brace@xxxxxxxx>
Cc: iss_storagedev@xxxxxx
Cc: storagedev@xxxxxxxx
Cc: linux-scsi@xxxxxxxxxxxxxxx
---
drivers/scsi/hpsa.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/scsi/hpsa.c b/drivers/scsi/hpsa.c
index 8895bc9..f1d667c 100644
--- a/drivers/scsi/hpsa.c
+++ b/drivers/scsi/hpsa.c
@@ -3326,6 +3326,8 @@ static int fixup_ioaccel_cdb(u8 *cdb, int *cdb_len)
if (*cdb_len == 6) {
block = (((u32) cdb[2]) << 8) | cdb[3];
block_cnt = cdb[4];
+ if (block_cnt == 0)
+ block_cnt = 256;
} else {
BUG_ON(*cdb_len != 12);
block = (((u32) cdb[2]) << 24) |
--
1.9.1
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