korg/linux
0
0
Fork 0
mirror of https://mirrors.bfsu.edu.cn/git/linux.git synced 2024-11-26 13:44:15 +08:00
Code Issues Packages Projects Releases Wiki Activity

[ALSA] usb-audio - Add a proper error check

Browse Source 
The error in check_hw_params_convention() has to be checked and
handled properly.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai 2008-03-17 09:59:32 +01:00
parent 841b23d4d7
commit 5a220c868e
1 changed files with 7 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
sound/usb/usbaudio.c
View File

@ -1762,8 +1762,10 @@ static int check_hw_params_convention(struct snd_usb_substream *subs)
channels = kcalloc(MAX_MASK, sizeof(u32), GFP_KERNEL);
rates = kcalloc(MAX_MASK, sizeof(u32), GFP_KERNEL);
if (!channels || !rates)
if (!channels || !rates) {
err = -ENOMEM;
goto __out;
}
list_for_each(p, &subs->fmt_list) {
struct audioformat *f;
@ -1916,7 +1918,10 @@ static int setup_hw_info(struct snd_pcm_runtime *runtime, struct snd_usb_substre
1000 * MIN_PACKS_URB,
/*(nrpacks * MAX_URBS) * 1000*/ UINT_MAX);
if (check_hw_params_convention(subs)) {
err = check_hw_params_convention(subs);
if (err < 0)
return err;
else if (err) {
hwc_debug("setting extra hw constraints...\n");
if ((err = snd_pcm_hw_rule_add(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
hw_rule_rate, subs,