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-rw-r--r--drivers/ieee1394/sbp2.h8
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/ieee1394/sbp2.h b/drivers/ieee1394/sbp2.h
index c5036f1cc5b0..64a3a66a8a39 100644
--- a/drivers/ieee1394/sbp2.h
+++ b/drivers/ieee1394/sbp2.h
@@ -25,6 +25,12 @@
#define SBP2_DEVICE_NAME "sbp2"
/*
+ * There is no transport protocol limit to the CDB length, but we implement
+ * a fixed length only. 16 bytes is enough for disks larger than 2 TB.
+ */
+#define SBP2_MAX_CDB_SIZE 16
+
+/*
* SBP-2 specific definitions
*/
@@ -51,7 +57,7 @@ struct sbp2_command_orb {
u32 data_descriptor_hi;
u32 data_descriptor_lo;
u32 misc;
- u8 cdb[12];
+ u8 cdb[SBP2_MAX_CDB_SIZE];
} __attribute__((packed));
#define SBP2_LOGIN_REQUEST 0x0