diff options
| author |   Sachin Kamat <sachin.kamat@linaro.org> | 2012-11-21 15:25:56 +0530 |
|---|---|---|
| committer |   Takashi Iwai <tiwai@suse.de> | 2012-11-21 11:31:52 +0100 |
| commit | 8ad10dc6d3fe8396d8213af4d5ce58e0010a3cbc (patch) | |
| tree | d337b1833405ef5f9d7267137389bcbe8fbc75ef /sound/usb | |
| parent | ALSA: usb/6fire: Fix potential NULL pointer dereference in comm.c (diff) | |
| download | linux-dev-8ad10dc6d3fe8396d8213af4d5ce58e0010a3cbc.tar.xz linux-dev-8ad10dc6d3fe8396d8213af4d5ce58e0010a3cbc.zip | |
ALSA: usb-audio: Return meaningful error codes instead of -1 in format.c
Also, silences the following smatch warning:
sound/usb/format.c:170 parse_audio_format_rates_v1() warn:
returning -1 instead of -ENOMEM is sloppy
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/usb')
| -rw-r--r-- | sound/usb/format.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/sound/usb/format.c b/sound/usb/format.c index ddfef57c4c9f..e831ee4238bb 100644 --- a/sound/usb/format.c +++ b/sound/usb/format.c @@ -155,7 +155,7 @@ static int parse_audio_format_rates_v1(struct snd_usb_audio *chip, struct audiof if (fmt[0] < offset + 1 + 3 * (nr_rates ? nr_rates : 2)) { snd_printk(KERN_ERR "%d:%u:%d : invalid UAC_FORMAT_TYPE desc\n", chip->dev->devnum, fp->iface, fp->altsetting); - return -1; + return -EINVAL; } if (nr_rates) { @@ -167,7 +167,7 @@ static int parse_audio_format_rates_v1(struct snd_usb_audio *chip, struct audiof fp->rate_table = kmalloc(sizeof(int) * nr_rates, GFP_KERNEL); if (fp->rate_table == NULL) { snd_printk(KERN_ERR "cannot malloc\n"); - return -1; + return -ENOMEM; } fp->nr_rates = 0; @@ -198,7 +198,7 @@ static int parse_audio_format_rates_v1(struct snd_usb_audio *chip, struct audiof } if (!fp->nr_rates) { hwc_debug("All rates were zero. Skipping format!\n"); - return -1; + return -EINVAL; } } else { /* continuous rates */ @@ -383,7 +383,7 @@ static int parse_audio_format_i(struct snd_usb_audio *chip, fp->formats = parse_audio_format_i_type(chip, fp, format, fmt, protocol); if (!fp->formats) - return -1; + return -EINVAL; } /* gather possible sample rates */ @@ -409,7 +409,7 @@ static int parse_audio_format_i(struct snd_usb_audio *chip, if (fp->channels < 1) { snd_printk(KERN_ERR "%d:%u:%d : invalid channels %d\n", chip->dev->devnum, fp->iface, fp->altsetting, fp->channels); - return -1; + return -EINVAL; } return ret; |