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([185.25.64.249]) by mx.google.com with ESMTPSA id bo1sm2020613wjb.15.2015.03.03.08.36.44 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Tue, 03 Mar 2015 08:36:44 -0800 (PST) From: Julien Grall To: xen-devel@lists.xenproject.org Date: Tue, 3 Mar 2015 16:36:16 +0000 Message-Id: <1425400576-14771-1-git-send-email-julien.grall@linaro.org> X-Mailer: git-send-email 2.1.4 Cc: stefano.stabellini@citrix.com, Julien Grall , tim@xen.org, ian.campbell@citrix.com Subject: [Xen-devel] [PATCH] xen/arm: gic: Correctly check if an IRQ is valid in gic_interrupt X-BeenThere: xen-devel@lists.xen.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: List-Unsubscribe: , List-Post: , List-Help: , List-Subscribe: , MIME-Version: 1.0 Sender: xen-devel-bounces@lists.xen.org Errors-To: xen-devel-bounces@lists.xen.org X-Removed-Original-Auth: Dkim didn't pass. X-Original-Sender: julien.grall@linaro.org X-Original-Authentication-Results: mx.google.com; spf=pass (google.com: domain of patch+caf_=patchwork-forward=linaro.org@linaro.org designates 209.85.215.50 as permitted sender) smtp.mail=patch+caf_=patchwork-forward=linaro.org@linaro.org Mailing-list: list patchwork-forward@linaro.org; contact patchwork-forward+owners@linaro.org X-Google-Group-Id: 836684582541 List-Archive: The IRQ 1020 is reserved for special purpose, so the check should be "irq < 1020" rather than "irq < 1021". Signed-off-by: Julien Grall --- xen/arch/arm/gic.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/xen/arch/arm/gic.c b/xen/arch/arm/gic.c index 390c8b0..940fb8e 100644 --- a/xen/arch/arm/gic.c +++ b/xen/arch/arm/gic.c @@ -570,7 +570,7 @@ void gic_interrupt(struct cpu_user_regs *regs, int is_fiq) /* Reading IRQ will ACK it */ irq = gic_hw_ops->read_irq(); - if ( likely(irq >= 16 && irq < 1021) ) + if ( likely(irq >= 16 && irq < 1020) ) { local_irq_enable(); do_IRQ(regs, irq, is_fiq);