This patch cleans up the ICAN3 to Linux CAN Frame Conversion function:

- Use get_can_dlc() to limit the dlc value.
- Don't copy the whole frame, only copy the amount of bytes specified
  in cf->can_dlc.

Signed-off-by: Marc Kleine-Budde <[email protected]>
Cc: Ira W. Snyder <[email protected]>
---
 drivers/net/can/janz-ican3.c |    8 ++++----
 1 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/net/can/janz-ican3.c b/drivers/net/can/janz-ican3.c
index 6e533dc..7416f25 100644
--- a/drivers/net/can/janz-ican3.c
+++ b/drivers/net/can/janz-ican3.c
@@ -812,10 +812,10 @@ static void ican3_to_can_frame(struct ican3_dev *mod,
 
                cf->can_id |= desc->data[0] << 3;
                cf->can_id |= (desc->data[1] & 0xe0) >> 5;
-               cf->can_dlc = desc->data[1] & ICAN3_CAN_DLC_MASK;
-               memcpy(cf->data, &desc->data[2], sizeof(cf->data));
+               cf->can_dlc = get_can_dlc(desc->data[1] & ICAN3_CAN_DLC_MASK);
+               memcpy(cf->data, &desc->data[2], cf->can_dlc);
        } else {
-               cf->can_dlc = desc->data[0] & ICAN3_CAN_DLC_MASK;
+               cf->can_dlc = get_can_dlc(desc->data[0] & ICAN3_CAN_DLC_MASK);
                if (desc->data[0] & ICAN3_EFF_RTR)
                        cf->can_id |= CAN_RTR_FLAG;
 
@@ -830,7 +830,7 @@ static void ican3_to_can_frame(struct ican3_dev *mod,
                        cf->can_id |= desc->data[3] >> 5;  /* 2-0   */
                }
 
-               memcpy(cf->data, &desc->data[6], sizeof(cf->data));
+               memcpy(cf->data, &desc->data[6], cf->can_dlc);
        }
 }
 
-- 
1.7.0.4

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