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Message-ID: <46efd108-8c3b-220f-1fa7-2f6a36f9c9cb@amd.com>
Date: Sat, 19 Aug 2023 11:15:00 -0700
From: Brett Creeley <bcreeley@....com>
To: Yang Yingliang <yangyingliang@...wei.com>, kvm@...r.kernel.org,
linux-kernel@...r.kernel.org
Cc: brett.creeley@....com, jgg@...pe.ca, yishaih@...dia.com,
shameerali.kolothum.thodi@...wei.com, kevin.tian@...el.com,
alex.williamson@...hat.com, horms@...nel.org,
shannon.nelson@....com
Subject: Re: [PATCH -next] vfio/pds: fix return value in
pds_vfio_get_lm_file()
On 8/18/2023 7:37 PM, Yang Yingliang wrote:
> Caution: This message originated from an External Source. Use proper caution when opening attachments, clicking links, or responding.
>
>
> anon_inode_getfile() never returns NULL pointer, it will return
> ERR_PTR() when it fails, so replace the check with IS_ERR().
>
> Fixes: bb500dbe2ac6 ("vfio/pds: Add VFIO live migration support")
> Signed-off-by: Yang Yingliang <yangyingliang@...wei.com>
> ---
> drivers/vfio/pci/pds/lm.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/vfio/pci/pds/lm.c b/drivers/vfio/pci/pds/lm.c
> index aec75574cab3..79fe2e66bb49 100644
> --- a/drivers/vfio/pci/pds/lm.c
> +++ b/drivers/vfio/pci/pds/lm.c
> @@ -31,7 +31,7 @@ pds_vfio_get_lm_file(const struct file_operations *fops, int flags, u64 size)
> /* Create file */
> lm_file->filep =
> anon_inode_getfile("pds_vfio_lm", fops, lm_file, flags);
> - if (!lm_file->filep)
> + if (IS_ERR(lm_file->filep))
> goto out_free_file;
LGTM! Thanks for fixing this.
Reviewed-by: Brett Creeley <brett.creeley@....com>
>
> stream_open(lm_file->filep->f_inode, lm_file->filep);
> --
> 2.25.1
>
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