ALSA: echoaudio: add a check for ioremap_nocache

[people/arne_f/kernel.git] / sound / pci / echoaudio / echoaudio.c

diff --git a/sound/pci/echoaudio/echoaudio.c b/sound/pci/echoaudio/echoaudio.c
index 937071760bc4ac7197c4931452e903689fed671f..d73ee11a32bd0c5092dc9e7a5e72f1e894f24968 100644 (file)
--- a/sound/pci/echoaudio/echoaudio.c
+++ b/sound/pci/echoaudio/echoaudio.c
@@ -1272,11 +1272,11 @@ static int snd_echo_mixer_info(struct snd_kcontrol *kcontrol,
 
        chip = snd_kcontrol_chip(kcontrol);
        uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
+       uinfo->count = 1;
        uinfo->value.integer.min = ECHOGAIN_MINOUT;
        uinfo->value.integer.max = ECHOGAIN_MAXOUT;
        uinfo->dimen.d[0] = num_busses_out(chip);
        uinfo->dimen.d[1] = num_busses_in(chip);
-       uinfo->count = uinfo->dimen.d[0] * uinfo->dimen.d[1];
        return 0;
 }
 
@@ -1344,11 +1344,11 @@ static int snd_echo_vmixer_info(struct snd_kcontrol *kcontrol,
 
        chip = snd_kcontrol_chip(kcontrol);
        uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
+       uinfo->count = 1;
        uinfo->value.integer.min = ECHOGAIN_MINOUT;
        uinfo->value.integer.max = ECHOGAIN_MAXOUT;
        uinfo->dimen.d[0] = num_busses_out(chip);
        uinfo->dimen.d[1] = num_pipes_out(chip);
-       uinfo->count = uinfo->dimen.d[0] * uinfo->dimen.d[1];
        return 0;
 }
 
@@ -1728,6 +1728,7 @@ static int snd_echo_vumeters_info(struct snd_kcontrol *kcontrol,
                                  struct snd_ctl_elem_info *uinfo)
 {
        uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
+       uinfo->count = 96;
        uinfo->value.integer.min = ECHOGAIN_MINOUT;
        uinfo->value.integer.max = 0;
 #ifdef ECHOCARD_HAS_VMIXER
@@ -1737,7 +1738,6 @@ static int snd_echo_vumeters_info(struct snd_kcontrol *kcontrol,
 #endif
        uinfo->dimen.d[1] = 16; /* 16 channels */
        uinfo->dimen.d[2] = 2;  /* 0=level, 1=peak */
-       uinfo->count = uinfo->dimen.d[0] * uinfo->dimen.d[1] * uinfo->dimen.d[2];
        return 0;
 }
 
@@ -1953,6 +1953,11 @@ static int snd_echo_create(struct snd_card *card,
        }
        chip->dsp_registers = (volatile u32 __iomem *)
                ioremap_nocache(chip->dsp_registers_phys, sz);
+       if (!chip->dsp_registers) {
+               dev_err(chip->card->dev, "ioremap failed\n");
+               snd_echo_free(chip);
+               return -ENOMEM;
+       }
 
        if (request_irq(pci->irq, snd_echo_interrupt, IRQF_SHARED,
                        KBUILD_MODNAME, chip)) {