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d="scan'208";a="42271924" From: Andrew Cooper To: Xen-devel CC: Andrew Cooper , Jan Beulich , =?UTF-8?q?Roger=20Pau=20Monn=C3=A9?= , Wei Liu Subject: [PATCH 4/7] x86/irq: Make create_irq() compile at -Og Date: Mon, 19 Apr 2021 15:01:29 +0100 Message-ID: <20210419140132.16909-5-andrew.cooper3@citrix.com> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20210419140132.16909-1-andrew.cooper3@citrix.com> References: <20210419140132.16909-1-andrew.cooper3@citrix.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-ZohoMail-DKIM: pass (identity @citrix.com) When compiling at -Og: irq.c: In function =E2=80=98create_irq=E2=80=99: irq.c:310:38: error: =E2=80=98desc=E2=80=99 may be used uninitialized in = this function[-Werror=3Dmaybe-uninitialized] desc->arch.creator_domid =3D currd->domain_id; ~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~ This diagnostic is bogus, because desc is already read on earlier paths. Signed-off-by: Andrew Cooper --- CC: Jan Beulich CC: Roger Pau Monn=C3=A9 CC: Wei Liu --- xen/arch/x86/irq.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/xen/arch/x86/irq.c b/xen/arch/x86/irq.c index a1693f92dd..72b86c6155 100644 --- a/xen/arch/x86/irq.c +++ b/xen/arch/x86/irq.c @@ -264,7 +264,7 @@ void __init clear_irq_vector(int irq) int create_irq(nodeid_t node, bool grant_access) { int irq, ret; - struct irq_desc *desc; + struct irq_desc *desc =3D NULL; =20 for (irq =3D nr_irqs_gsi; irq < nr_irqs; irq++) { --=20 2.11.0