From: Anthony PERARD <anthony@xenproject.org>
To: David Woodhouse <dwmw2@infradead.org>
Cc: qemu-devel@nongnu.org, "Roger Pau Monné" <roger.pau@citrix.com>,
"Stefano Stabellini" <sstabellini@kernel.org>,
"Paul Durrant" <paul@xen.org>,
"Edgar E. Iglesias" <edgar.iglesias@gmail.com>,
"Kevin Wolf" <kwolf@redhat.com>,
"Hanna Reitz" <hreitz@redhat.com>,
"Marc-André Lureau" <marcandre.lureau@redhat.com>,
"Paolo Bonzini" <pbonzini@redhat.com>,
"Jason Wang" <jasowang@redhat.com>,
xen-devel@lists.xenproject.org, qemu-block@nongnu.org
Subject: Re: [PATCH v3 2/7] xen: do not use '%ms' scanf specifier
Date: Wed, 15 Jan 2025 17:45:03 +0100 [thread overview]
Message-ID: <Z4fmD4UZPcSdfEE8@l14> (raw)
In-Reply-To: <20250115163542.291424-3-dwmw2@infradead.org>
On Wed, Jan 15, 2025 at 04:27:20PM +0000, David Woodhouse wrote:
> From: Roger Pau Monne <roger.pau@citrix.com>
>
> The 'm' parameter used to request auto-allocation of the destination variable
> is not supported on FreeBSD, and as such leads to failures to parse.
>
> What's more, the current usage of '%ms' with xs_node_scanf() is pointless, as
> it just leads to a double allocation of the same string. Instead use
> xs_node_read() to read the whole xenstore node.
>
> Fixes: a783f8ad4ec9 ('xen: add a mechanism to automatically create XenDevice-s...')
> Fixes: 9b7737469080 ('hw/xen: update Xen console to XenDevice model')
> Signed-off-by: Roger Pau Monné <roger.pau@citrix.com>
> Signed-off-by: David Woodhouse <dwmw@amazon.co.uk>
Reviewed-by: Anthony PERARD <anthony.perard@vates.tech>
Thanks,
--
Anthony PERARD
next prev parent reply other threads:[~2025-01-15 16:45 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-01-15 16:27 [PATCH v3 1/7] xen: error handling and FreeBSD compatibility fixes David Woodhouse
2025-01-15 16:27 ` [PATCH v3 1/7] hw/xen: Add xs_node_read() helper function David Woodhouse
2025-01-15 16:44 ` Anthony PERARD
2025-01-15 16:27 ` [PATCH v3 2/7] xen: do not use '%ms' scanf specifier David Woodhouse
2025-01-15 16:45 ` Anthony PERARD [this message]
2025-01-15 16:46 ` Andrew Cooper
2025-01-15 16:27 ` [PATCH v3 3/7] hw/xen: Use xs_node_read() from xs_node_vscanf() David Woodhouse
2025-01-15 16:27 ` [PATCH v3 4/7] hw/xen: Use xs_node_read() from xen_console_get_name() David Woodhouse
2025-01-15 16:27 ` [PATCH v3 5/7] hw/xen: Use xs_node_read() from xen_netdev_get_name() David Woodhouse
2025-01-15 16:27 ` [PATCH v3 6/7] hw/xen: Use xs_node_read() from xenstore_read_str() instead of open-coding it David Woodhouse
2025-01-15 16:27 ` [PATCH v3 7/7] hw/xen: Fix errp handling in xen_console David Woodhouse
2025-01-15 16:49 ` Anthony PERARD
2025-01-15 17:44 ` David Woodhouse
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=Z4fmD4UZPcSdfEE8@l14 \
--to=anthony@xenproject.org \
--cc=dwmw2@infradead.org \
--cc=edgar.iglesias@gmail.com \
--cc=hreitz@redhat.com \
--cc=jasowang@redhat.com \
--cc=kwolf@redhat.com \
--cc=marcandre.lureau@redhat.com \
--cc=paul@xen.org \
--cc=pbonzini@redhat.com \
--cc=qemu-block@nongnu.org \
--cc=qemu-devel@nongnu.org \
--cc=roger.pau@citrix.com \
--cc=sstabellini@kernel.org \
--cc=xen-devel@lists.xenproject.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.