From 1d2c2024dcb7aeb2555db4bfd7f991d247ba0508 Mon Sep 17 00:00:00 2001 From: Sudarsana Reddy Kalluru Date: Mon, 1 Aug 2016 09:08:13 -0400 Subject: [PATCH] qed: Fail driver load in 100g MSI mode. 100g support is not available in MSI mode. Failing the driver load in this scenario. Please consider applying this to `net'. Signed-off-by: Sudarsana Reddy Kalluru Signed-off-by: Yuval Mintz Signed-off-by: David S. Miller --- drivers/net/ethernet/qlogic/qed/qed_main.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/drivers/net/ethernet/qlogic/qed/qed_main.c b/drivers/net/ethernet/qlogic/qed/qed_main.c index 1f13abb5c316..c7dc34bfdd0a 100644 --- a/drivers/net/ethernet/qlogic/qed/qed_main.c +++ b/drivers/net/ethernet/qlogic/qed/qed_main.c @@ -659,8 +659,13 @@ static int qed_slowpath_setup_int(struct qed_dev *cdev, struct qed_sb_cnt_info sb_cnt_info; int rc; int i; - memset(&cdev->int_params, 0, sizeof(struct qed_int_params)); + if ((int_mode == QED_INT_MODE_MSI) && (cdev->num_hwfns > 1)) { + DP_NOTICE(cdev, "MSI mode is not supported for CMT devices\n"); + return -EINVAL; + } + + memset(&cdev->int_params, 0, sizeof(struct qed_int_params)); cdev->int_params.in.int_mode = int_mode; for_each_hwfn(cdev, i) { memset(&sb_cnt_info, 0, sizeof(sb_cnt_info));