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-rw-r--r--cethcan/socketcan.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/cethcan/socketcan.c b/cethcan/socketcan.c
index 21b10fa..712116a 100644
--- a/cethcan/socketcan.c
+++ b/cethcan/socketcan.c
@@ -11,7 +11,7 @@
#ifndef CANFD_MAX_DLEN
#define CANFD_MAX_DLEN 64
#endif
-#ifndef CAN_RAW_FD_FRAMES
+#if !(defined(CAN_RAW_FD_FRAMES) || defined(CANFD_MTU))
#define CAN_RAW_FD_FRAMES 5
struct canfd_frame {
canid_t can_id; /* 32 bit CAN_ID + EFF/RTR/ERR flags */