linux-kernel - [PATCH] net: sparx5: fix resource

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Date:   Sun, 26 Sep 2021 15:42:12 +0800
From:   Yang Li <yang.lee@...ux.alibaba.com>
To:     davem@...emloft.net
Cc:     kuba@...nel.org, lars.povlsen@...rochip.com,
        Steen.Hegelund@...rochip.com, UNGLinuxDriver@...rochip.com,
        netdev@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org, Yang Li <yang.lee@...ux.alibaba.com>
Subject: [PATCH] net: sparx5: fix resource_size.cocci warnings

Use resource_size function on resource object
instead of explicit computation.

Clean up coccicheck warning:
./drivers/net/ethernet/microchip/sparx5/sparx5_main.c:237:19-22: ERROR:
Missing resource_size with iores [ idx ]

Reported-by: Abaci Robot <abaci@...ux.alibaba.com>
Signed-off-by: Yang Li <yang.lee@...ux.alibaba.com>
---
 drivers/net/ethernet/microchip/sparx5/sparx5_main.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/net/ethernet/microchip/sparx5/sparx5_main.c b/drivers/net/ethernet/microchip/sparx5/sparx5_main.c
index cbece6e..c6eb0b7 100644
--- a/drivers/net/ethernet/microchip/sparx5/sparx5_main.c
+++ b/drivers/net/ethernet/microchip/sparx5/sparx5_main.c
@@ -234,8 +234,7 @@ static int sparx5_create_targets(struct sparx5 *sparx5)
 		}
 		iomem[idx] = devm_ioremap(sparx5->dev,
 					  iores[idx]->start,
-					  iores[idx]->end - iores[idx]->start
-					  + 1);
+					  resource_size(iores[idx]));
 		if (!iomem[idx]) {
 			dev_err(sparx5->dev, "Unable to get switch registers: %s\n",
 				iores[idx]->name);
-- 
1.8.3.1