Patch "net/mlx5: Allow 0 for total host VFs" has been added to the 5.15-stable tree

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This is a note to let you know that I've just added the patch titled

    net/mlx5: Allow 0 for total host VFs

to the 5.15-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     net-mlx5-allow-0-for-total-host-vfs.patch
and it can be found in the queue-5.15 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.


>From 2dc2b3922d3c0f52d3a792d15dcacfbc4cc76b8f Mon Sep 17 00:00:00 2001
From: Daniel Jurgens <danielj@xxxxxxxxxx>
Date: Tue, 11 Jul 2023 00:28:10 +0300
Subject: net/mlx5: Allow 0 for total host VFs

From: Daniel Jurgens <danielj@xxxxxxxxxx>

commit 2dc2b3922d3c0f52d3a792d15dcacfbc4cc76b8f upstream.

When querying eswitch functions 0 is a valid number of host VFs. After
introducing ARM SRIOV falling through to getting the max value from PCI
results in using the total VFs allowed on the ARM for the host.

Fixes: 86eec50beaf3 ("net/mlx5: Support querying max VFs from device");
Signed-off-by: Daniel Jurgens <danielj@xxxxxxxxxx>
Signed-off-by: Saeed Mahameed <saeedm@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
 drivers/net/ethernet/mellanox/mlx5/core/sriov.c |    3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

--- a/drivers/net/ethernet/mellanox/mlx5/core/sriov.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/sriov.c
@@ -256,8 +256,7 @@ static u16 mlx5_get_max_vfs(struct mlx5_
 		host_total_vfs = MLX5_GET(query_esw_functions_out, out,
 					  host_params_context.host_total_vfs);
 		kvfree(out);
-		if (host_total_vfs)
-			return host_total_vfs;
+		return host_total_vfs;
 	}
 
 done:


Patches currently in stable-queue which might be from danielj@xxxxxxxxxx are

queue-5.15/net-mlx5-allow-0-for-total-host-vfs.patch



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