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Message-Id: <20230406-dwmac-anarion-sparse-v1-2-b0c866c8be9d@kernel.org> Date: Thu, 06 Apr 2023 19:30:10 +0200 From: Simon Horman <horms@...nel.org> To: Jakub Kicinski <kuba@...nel.org>, "David S. Miller" <davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>, Paolo Abeni <pabeni@...hat.com> Cc: Giuseppe Cavallaro <peppe.cavallaro@...com>, Alexandre Torgue <alexandre.torgue@...s.st.com>, Jose Abreu <joabreu@...opsys.com>, Maxime Coquelin <mcoquelin.stm32@...il.com>, netdev@...r.kernel.org, linux-stm32@...md-mailman.stormreply.com, linux-arm-kernel@...ts.infradead.org Subject: [PATCH net-next 2/2] net: stmmac: dwmac-anarion: Always return struct anarion_gmac * from anarion_config_dt() Always return struct anarion_gmac * from anarion_config_dt(). In the case where ctl_block was an error pointer it was being returned directly. Which sparse flags as follows: .../dwmac-anarion.c:73:24: warning: incorrect type in return expression (different address spaces) .../dwmac-anarion.c:73:24: expected struct anarion_gmac * .../dwmac-anarion.c:73:24: got void [noderef] __iomem *[assigned] ctl_block Avoid this by converting the error pointer to an error. And then reversing the conversion. As a side effect, the error can be used for logging purposes, subjectively, leading to a minor cleanup. No functional change intended. Compile tested only. Signed-off-by: Simon Horman <horms@...nel.org> --- drivers/net/ethernet/stmicro/stmmac/dwmac-anarion.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-anarion.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-anarion.c index 2357e77434fb..9354bf419112 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac-anarion.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-anarion.c @@ -68,9 +68,9 @@ static struct anarion_gmac *anarion_config_dt(struct platform_device *pdev) ctl_block = devm_platform_ioremap_resource(pdev, 1); if (IS_ERR(ctl_block)) { - dev_err(&pdev->dev, "Cannot get reset region (%ld)!\n", - PTR_ERR(ctl_block)); - return ctl_block; + err = PTR_ERR(ctl_block); + dev_err(&pdev->dev, "Cannot get reset region (%d)!\n", err); + return ERR_PTR(err); } gmac = devm_kzalloc(&pdev->dev, sizeof(*gmac), GFP_KERNEL); -- 2.30.2
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