Message ID | d61bfcbfa40f823d27fd88bf011ffa4b539dc359.1510997815.git.arvind.yadav.cs@gmail.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show
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Sat, 18 Nov 2017 01:57:09 -0800 (PST) From: Arvind Yadav <arvind.yadav.cs@gmail.com> To: lgirdwood@gmail.com, broonie@kernel.org, perex@perex.cz, tiwai@suse.com, matthias.bgg@gmail.com, linux@armlinux.org.uk Date: Sat, 18 Nov 2017 15:26:48 +0530 Message-Id: <d61bfcbfa40f823d27fd88bf011ffa4b539dc359.1510997815.git.arvind.yadav.cs@gmail.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <874375c0dca41790e47b60ce30f88ab353f97b38.1510997839.git.arvind.yadav.cs@gmail.com> References: <874375c0dca41790e47b60ce30f88ab353f97b38.1510997839.git.arvind.yadav.cs@gmail.com> In-Reply-To: <37f7370f99f4efa12f92eaeada72ff511d409fa6.1510997815.git.arvind.yadav.cs@gmail.com> References: <37f7370f99f4efa12f92eaeada72ff511d409fa6.1510997815.git.arvind.yadav.cs@gmail.com> Cc: alsa-devel@alsa-project.org, linux-mediatek@lists.infradead.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: [alsa-devel] [PATCH 4/5 v2] ASoC: intel: sst: Handle return value of platform_get_irq X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" <alsa-devel.alsa-project.org> List-Unsubscribe: <http://mailman.alsa-project.org/mailman/options/alsa-devel>, <mailto:alsa-devel-request@alsa-project.org?subject=unsubscribe> List-Archive: <http://mailman.alsa-project.org/pipermail/alsa-devel/> List-Post: <mailto:alsa-devel@alsa-project.org> List-Help: <mailto:alsa-devel-request@alsa-project.org?subject=help> List-Subscribe: <http://mailman.alsa-project.org/mailman/listinfo/alsa-devel>, <mailto:alsa-devel-request@alsa-project.org?subject=subscribe> MIME-Version: 1.0 Content-Type: text/plain; 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diff --git a/sound/soc/intel/atom/sst/sst_acpi.c b/sound/soc/intel/atom/sst/sst_acpi.c index 32d6e02..693b970 100644 --- a/sound/soc/intel/atom/sst/sst_acpi.c +++ b/sound/soc/intel/atom/sst/sst_acpi.c @@ -236,6 +236,9 @@ static int sst_platform_get_resources(struct intel_sst_drv *ctx) /* Find the IRQ */ ctx->irq_num = platform_get_irq(pdev, ctx->pdata->res_info->acpi_ipc_irq_index); + if (ctx->irq_num <= 0) + return ctx->irq_num; + return 0; }
platform_get_irq() can fail here and we must check its return value. Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com> --- changes in v2 : Add failure case '<= 0' instead of '< 0'. IRQ0 is not valid. sound/soc/intel/atom/sst/sst_acpi.c | 3 +++ 1 file changed, 3 insertions(+)