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Message-ID: <ZDPCK7KVRIz1sIVB@corigine.com>
Date: Mon, 10 Apr 2023 10:00:43 +0200
From: Simon Horman <simon.horman@...igine.com>
To: Harshit Mogalapalli <harshit.m.mogalapalli@...cle.com>
Cc: m.chetan.kumar@...el.com, linuxwwan@...el.com,
loic.poulain@...aro.org, ryazanov.s.a@...il.com,
johannes@...solutions.net, davem@...emloft.net,
edumazet@...gle.com, kuba@...nel.org, pabeni@...hat.com,
netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
error27@...il.com, kernel-janitors@...r.kernel.org,
vegard.nossum@...cle.com
Subject: Re: [PATCH net V2] net: wwan: iosm: Fix error handling path in
ipc_pcie_probe()
On Sat, Apr 08, 2023 at 12:43:21PM -0700, Harshit Mogalapalli wrote:
> Smatch reports:
> drivers/net/wwan/iosm/iosm_ipc_pcie.c:298 ipc_pcie_probe()
> warn: missing unwind goto?
>
> When dma_set_mask fails it directly returns without disabling pci
> device and freeing ipc_pcie. Fix this my calling a correct goto label
>
> As dma_set_mask returns either 0 or -EIO, we can use a goto label, as
> it finally returns -EIO.
>
> Add a set_mask_fail goto label which stands consistent with other goto
> labels in this function..
>
> Fixes: 035e3befc191 ("net: wwan: iosm: fix driver not working with INTEL_IOMMU disabled")
> Reviewed-by: Simon Horman <simon.horman@...igine.com>
> Signed-off-by: Harshit Mogalapalli <harshit.m.mogalapalli@...cle.com>
> ---
> This is based on static analysis, only compile tested.
>
> v1 --> v2: Address comment by Simon Horman(better goto label name)
Thanks!
Reviewed-by: Simon Horman <simon.horman@...igine.com>
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