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Mon, 27 Nov 2023 22:52:45 -0800 (PST) Date: Tue, 28 Nov 2023 09:52:41 +0300 From: Dan Carpenter To: Juergen Gross Cc: Stefano Stabellini , Oleksandr Tyshchenko , Thomas Gleixner , Rahul Singh , David Woodhouse , Viresh Kumar , xen-devel@lists.xenproject.org, kernel-janitors@vger.kernel.org Subject: [PATCH v2] xen/events: fix error code in xen_bind_pirq_msi_to_irq() Message-ID: <3b9ab040-a92e-4e35-b687-3a95890a9ace@moroto.mountain> MIME-Version: 1.0 Content-Disposition: inline X-Mailer: git-send-email haha only kidding X-ZohoMail-DKIM: pass (identity @linaro.org) X-ZM-MESSAGEID: 1701154409280000001 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Return -ENOMEM if xen_irq_init() fails. currently the code returns an uninitialized variable or zero. Fixes: 5dd9ad32d775 ("xen/events: drop xen_allocate_irqs_dynamic()") Signed-off-by: Dan Carpenter Reviewed-by: Juergen Gross --- v2: Part of v1 was bogus. Delete that bit. drivers/xen/events/events_base.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/xen/events/events_base.c b/drivers/xen/events/events_b= ase.c index f5edb9e27e3c..b8cfea7812d6 100644 --- a/drivers/xen/events/events_base.c +++ b/drivers/xen/events/events_base.c @@ -1110,8 +1110,10 @@ int xen_bind_pirq_msi_to_irq(struct pci_dev *dev, st= ruct msi_desc *msidesc, =20 for (i =3D 0; i < nvec; i++) { info =3D xen_irq_init(irq + i); - if (!info) + if (!info) { + ret =3D -ENOMEM; goto error_irq; + } =20 irq_set_chip_and_handler_name(irq + i, &xen_pirq_chip, handle_edge_irq, = name); =20 --=20 2.42.0