platform_get_irq() can fail here and we must check its return value. Signed-off-by: Arvind Yadav <arvind.yadav.cs@xxxxxxxxx> --- changes in v2 : Add failure case '<= 0' instead of '< 0'. IRQ0 is not valid. changes in v3 : Return EIO insted of ctx->irq_num. sound/soc/intel/boards/mfld_machine.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/sound/soc/intel/boards/mfld_machine.c b/sound/soc/intel/boards/mfld_machine.c index 6f44acf..c819210 100644 --- a/sound/soc/intel/boards/mfld_machine.c +++ b/sound/soc/intel/boards/mfld_machine.c @@ -372,6 +372,8 @@ static int snd_mfld_mc_probe(struct platform_device *pdev) /* retrive the irq number */ irq = platform_get_irq(pdev, 0); + if (irq <= 0) + return -ENODEV; /* audio interrupt base of SRAM location where * interrupts are stored by System FW */ -- 2.7.4 _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel