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-rw-r--r--net/can/can_socketcan.c25
1 files changed, 14 insertions, 11 deletions
diff --git a/net/can/can_socketcan.c b/net/can/can_socketcan.c
index 4a505643e9..a6388563c3 100644
--- a/net/can/can_socketcan.c
+++ b/net/can/can_socketcan.c
@@ -77,18 +77,21 @@ static void can_host_socketcan_display_msg(struct qemu_can_frame *msg)
{
int i;
FILE *logfile = qemu_log_trylock();
- qemu_log("[cansocketcan]: %03X [%01d] %s %s",
- msg->can_id & QEMU_CAN_EFF_MASK,
- msg->can_dlc,
- msg->can_id & QEMU_CAN_EFF_FLAG ? "EFF" : "SFF",
- msg->can_id & QEMU_CAN_RTR_FLAG ? "RTR" : "DAT");
-
- for (i = 0; i < msg->can_dlc; i++) {
- qemu_log(" %02X", msg->data[i]);
+
+ if (logfile) {
+ fprintf(logfile, "[cansocketcan]: %03X [%01d] %s %s",
+ msg->can_id & QEMU_CAN_EFF_MASK,
+ msg->can_dlc,
+ msg->can_id & QEMU_CAN_EFF_FLAG ? "EFF" : "SFF",
+ msg->can_id & QEMU_CAN_RTR_FLAG ? "RTR" : "DAT");
+
+ for (i = 0; i < msg->can_dlc; i++) {
+ fprintf(logfile, " %02X", msg->data[i]);
+ }
+ fprintf(logfile, "\n");
+ qemu_log_flush();
+ qemu_log_unlock(logfile);
}
- qemu_log("\n");
- qemu_log_flush();
- qemu_log_unlock(logfile);
}
static void can_host_socketcan_read(void *opaque)