ALSA: hda - Check the return value from pm_runtime_get/put*()

[firefly-linux-kernel-4.4.55.git] / sound / hda / hdac_regmap.c

diff --git a/sound/hda/hdac_regmap.c b/sound/hda/hdac_regmap.c
index 1eabcdf69457311129b766ec237d37e402f640bc..b0ed870ffb88eda0cc47e4c748488f314429375d 100644 (file)
--- a/sound/hda/hdac_regmap.c
+++ b/sound/hda/hdac_regmap.c
@@ -410,8 +410,9 @@ int snd_hdac_regmap_write_raw(struct hdac_device *codec, unsigned int reg,
 
        err = reg_raw_write(codec, reg, val);
        if (err == -EAGAIN) {
-               snd_hdac_power_up_pm(codec);
-               err = reg_raw_write(codec, reg, val);
+               err = snd_hdac_power_up_pm(codec);
+               if (!err)
+                       err = reg_raw_write(codec, reg, val);
                snd_hdac_power_down_pm(codec);
        }
        return err;
@@ -442,8 +443,9 @@ int snd_hdac_regmap_read_raw(struct hdac_device *codec, unsigned int reg,
 
        err = reg_raw_read(codec, reg, val);
        if (err == -EAGAIN) {
-               snd_hdac_power_up_pm(codec);
-               err = reg_raw_read(codec, reg, val);
+               err = snd_hdac_power_up_pm(codec);
+               if (!err)
+                       err = reg_raw_read(codec, reg, val);
                snd_hdac_power_down_pm(codec);
        }
        return err;