From: Arvind Yadav <arvind.yadav.cs@gmail.com>
Date: Wed, 29 Nov 2017 16:17:13 +0000 (+0530)
Subject: ASoC: intel: sst: Handle return value of platform_get_irq
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=eee44bfcf931428d7e94a9ae2092d687386a135a;p=linux.git

ASoC: intel: sst: Handle return value of platform_get_irq

platform_get_irq() can fail here and we must check its return value.

Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
---

diff --git a/sound/soc/intel/atom/sst/sst_acpi.c b/sound/soc/intel/atom/sst/sst_acpi.c
index 32d6e02e21049..6cd481bec2752 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 < 0 ? ctx->irq_num : -EIO;
+
 	return 0;
 }