mirrors/alsa-lib
1
0
Fork 0
mirror of https://github.com/alsa-project/alsa-lib.git synced 2025-10-29 05:40:25 -04:00
Code Issues Projects Releases Packages Wiki Activity Actions

Fixed error paths in open

Browse source
This commit is contained in:
Jaroslav Kysela 2003-02-04 16:40:47 +00:00
parent 7724ea55e8
commit d4c27edb1c
1 changed files with 23 additions and 20 deletions
Download patch file Download diff file Expand all files Collapse all files

43
src/pcm/pcm_hw.c
View file

@ -827,13 +827,18 @@ int snd_pcm_hw_open_fd(snd_pcm_t **pcmp, const char *name,
memset(&info, 0, sizeof(info));
if (ioctl(fd, SNDRV_PCM_IOCTL_INFO, &info) < 0) {
ret = -errno;
SYSERR("SNDRV_PCM_IOCTL_INFO failed");
return -errno;
close(fd);
return ret;
}
if (fcntl(fd, F_GETFL, &fmode) < 0)
return -errno;
if (fcntl(fd, F_GETFL, &fmode) < 0) {
ret = -errno;
close(fd);
return ret;
}
mode = 0;
if (fmode & O_NONBLOCK)
mode |= SND_PCM_NONBLOCK;
@ -841,21 +846,26 @@ int snd_pcm_hw_open_fd(snd_pcm_t **pcmp, const char *name,
mode |= SND_PCM_ASYNC;
if (fcntl(fd, F_SETFD, FD_CLOEXEC) != 0) {
SYSERR("fcntl FD_CLOEXEC failed");
ret = -errno;
goto _err;
SYSERR("fcntl FD_CLOEXEC failed");
close(fd);
return ret;
}
if (ioctl(fd, SNDRV_PCM_IOCTL_PVERSION, &ver) < 0) {
ret = -errno;
SYSERR("SNDRV_PCM_IOCTL_PVERSION failed");
return -errno;
close(fd);
return ret;
}
if (SNDRV_PROTOCOL_INCOMPATIBLE(ver, SNDRV_PCM_VERSION_MAX))
return -SND_ERROR_INCOMPATIBLE_VERSION;
hw = calloc(1, sizeof(snd_pcm_hw_t));
if (!hw)
if (!hw) {
close(fd);
return -ENOMEM;
}
hw->version = ver;
hw->card = info.card;
@ -865,8 +875,11 @@ int snd_pcm_hw_open_fd(snd_pcm_t **pcmp, const char *name,
hw->mmap_emulation = mmap_emulation;
ret = snd_pcm_new(&pcm, SND_PCM_TYPE_HW, name, info.stream, mode);
if (ret < 0)
goto _err;
if (ret < 0) {
free(hw);
close(fd);
return ret;
}
pcm->ops = &snd_pcm_hw_ops;
pcm->fast_ops = &snd_pcm_hw_fast_ops;
@ -886,13 +899,6 @@ int snd_pcm_hw_open_fd(snd_pcm_t **pcmp, const char *name,
return ret;
}
return 0;
_err:
if (hw)
free(hw);
if (pcm)
snd_pcm_close(pcm);
return ret;
}
/**
@ -970,10 +976,7 @@ int snd_pcm_hw_open(snd_pcm_t **pcmp, const char *name,
}
}
snd_ctl_close(ctl);
ret = snd_pcm_hw_open_fd(pcmp, name, fd, mmap_emulation);
if (ret < 0)
close(fd);
return ret;
return snd_pcm_hw_open_fd(pcmp, name, fd, mmap_emulation);
_err:
snd_ctl_close(ctl);