pcm: minor code cleanup for ioctl call

When error occurs, return value from ioctl(2) is -1 and error code can
be got thread local variable, errno. It's OK just to check the return
value without any assignment.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Sakamoto 2017-06-23 22:09:24 +09:00 committed by Takashi Iwai
parent f10bc243e4
commit 8beab3eb8a

View file

@ -132,8 +132,7 @@ static int sync_ptr1(snd_pcm_hw_t *hw, unsigned int flags)
{
int err;
hw->sync_ptr->flags = flags;
err = ioctl((hw)->fd, SNDRV_PCM_IOCTL_SYNC_PTR, (hw)->sync_ptr);
if (err < 0) {
if (ioctl(hw->fd, SNDRV_PCM_IOCTL_SYNC_PTR, hw->sync_ptr) < 0) {
err = -errno;
SYSMSG("SNDRV_PCM_IOCTL_SYNC_PTR failed (%i)", err);
return err;