From 35e71ec53581fc8a90dfff1565e4ba344945cf80 Mon Sep 17 00:00:00 2001 From: Shiva sagar Myana Date: Tue, 18 Jun 2024 16:22:20 +0100 Subject: hw/net/can/xlnx-versal-canfd: Fix sorting of the tx queue Returning an uint32_t casted to a gint from g_cmp_ids causes the tx queue to become wrongly sorted when executing g_slist_sort. Fix this by always returning -1 or 1 from g_cmp_ids based on the ID comparison instead. Also, if two message IDs are the same, sort them by using their index and transmit the message at the lowest index first. Signed-off-by: Shiva sagar Myana Reviewed-by: Francisco Iglesias Message-id: 20240603051732.3334571-1-Shivasagar.Myana@amd.com Signed-off-by: Peter Maydell --- hw/net/can/xlnx-versal-canfd.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) (limited to 'hw') diff --git a/hw/net/can/xlnx-versal-canfd.c b/hw/net/can/xlnx-versal-canfd.c index 47a14cfe63..5f083c21e9 100644 --- a/hw/net/can/xlnx-versal-canfd.c +++ b/hw/net/can/xlnx-versal-canfd.c @@ -1312,7 +1312,10 @@ static gint g_cmp_ids(gconstpointer data1, gconstpointer data2) tx_ready_reg_info *tx_reg_1 = (tx_ready_reg_info *) data1; tx_ready_reg_info *tx_reg_2 = (tx_ready_reg_info *) data2; - return tx_reg_1->can_id - tx_reg_2->can_id; + if (tx_reg_1->can_id == tx_reg_2->can_id) { + return (tx_reg_1->reg_num < tx_reg_2->reg_num) ? -1 : 1; + } + return (tx_reg_1->can_id < tx_reg_2->can_id) ? -1 : 1; } static void free_list(GSList *list) -- cgit v1.2.3