netdev - [PATCH v4] net/mlx4_core: Use min3 to select number of MSI-X vectors

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Message-Id: <1494569451-2567-1-git-send-email-yuval.shaia@oracle.com>
Date:   Fri, 12 May 2017 09:10:51 +0300
From:   Yuval Shaia <yuval.shaia@...cle.com>
To:     yishaih@...lanox.com, netdev@...r.kernel.org,
        linux-rdma@...r.kernel.org
Subject: [PATCH v4] net/mlx4_core: Use min3 to select number of MSI-X vectors

Signed-off-by: Yuval Shaia <yuval.shaia@...cle.com>
---
v0 -> v1:
	* s/"min_t("/"min_t(int"
v1 -> v2:
	* Use min3 instead of min_t twice
v2 -> v3:
	* Change commit log header message to reflect the changes made in
	  v2
v3 -> v4:
	* Cast return value from num_online_cpus to int to avoid
	  compilation errors from "sparse"
---
 drivers/net/ethernet/mellanox/mlx4/main.c | 10 ++++------
 1 file changed, 4 insertions(+), 6 deletions(-)

diff --git a/drivers/net/ethernet/mellanox/mlx4/main.c b/drivers/net/ethernet/mellanox/mlx4/main.c
index 7032054..83aab1e 100644
--- a/drivers/net/ethernet/mellanox/mlx4/main.c
+++ b/drivers/net/ethernet/mellanox/mlx4/main.c
@@ -2862,12 +2862,10 @@ static void mlx4_enable_msi_x(struct mlx4_dev *dev)
 	int port = 0;
 
 	if (msi_x) {
-		int nreq = dev->caps.num_ports * num_online_cpus() + 1;
-
-		nreq = min_t(int, dev->caps.num_eqs - dev->caps.reserved_eqs,
-			     nreq);
-		if (nreq > MAX_MSIX)
-			nreq = MAX_MSIX;
+		int nreq = min3(dev->caps.num_ports *
+				(int)num_online_cpus() + 1,
+				dev->caps.num_eqs - dev->caps.reserved_eqs,
+				MAX_MSIX);
 
 		entries = kcalloc(nreq, sizeof *entries, GFP_KERNEL);
 		if (!entries)
-- 
2.7.4