linux-kernel - [PATCH 4.19 45/48] i40e: Wrong truncation from u16 to u8

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Message-Id: <20200810151806.435542438@linuxfoundation.org>
Date:   Mon, 10 Aug 2020 17:22:07 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Grzegorz Siwik <grzegorz.siwik@...el.com>,
        Andrew Bowers <andrewx.bowers@...el.com>,
        Jeff Kirsher <jeffrey.t.kirsher@...el.com>,
        Jesse Brandeburg <jesse.brandeburg@...el.com>
Subject: [PATCH 4.19 45/48] i40e: Wrong truncation from u16 to u8

From: Grzegorz Siwik <grzegorz.siwik@...el.com>

[ Upstream commit c004804dceee9ca384d97d9857ea2e2795c2651d ]

In this patch fixed wrong truncation method from u16 to u8 during
validation.

It was changed by changing u8 to u32 parameter in method declaration
and arguments were changed to u32.

Fixes: 5c3c48ac6bf56 ("i40e: implement virtual device interface")
Signed-off-by: Grzegorz Siwik <grzegorz.siwik@...el.com>
Tested-by: Andrew Bowers <andrewx.bowers@...el.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@...el.com>
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@...el.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c
@@ -196,7 +196,7 @@ static inline bool i40e_vc_isvalid_queue
  *
  * check for the valid vector id
  **/
-static inline bool i40e_vc_isvalid_vector_id(struct i40e_vf *vf, u8 vector_id)
+static inline bool i40e_vc_isvalid_vector_id(struct i40e_vf *vf, u32 vector_id)
 {
 	struct i40e_pf *pf = vf->pf;