[PATCH 4/5 v2] ASoC: intel: sst: Handle return value of platform_get_irq

[Arvind Yadav]

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

Signed-off-by: Arvind Yadav <arvind.yadav...@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(+)

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;
 }
 
-- 
2.7.4