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Be much more forgiving towards applications that requesting ioctls

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that should be a no-op (for example, requesting SYNC on record path).
The standards does not indicate that such requests are illegal, so
just return it as success instead of EINVAL.

Approved by:	re (mux)
This commit is contained in:
Ariff Abdullah 2007-07-04 12:33:11 +00:00
parent 09828ba947
commit a5b0e31251
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=171204
1 changed files with 2 additions and 4 deletions
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6
sys/dev/sound/pcm/dsp.c
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@ -1100,8 +1100,7 @@ dsp_ioctl(struct cdev *i_dev, u_long cmd, caddr_t arg, int mode, struct thread *
CHN_LOCK(wrch);
chn_sync(wrch, 0);
CHN_UNLOCK(wrch);
} else
ret = EINVAL;
}
break;
case SNDCTL_DSP_SPEED:
@ -1446,8 +1445,7 @@ dsp_ioctl(struct cdev *i_dev, u_long cmd, caddr_t arg, int mode, struct thread *
wrch->flags &= ~CHN_F_NOTRIGGER;
chn_start(wrch, 1);
CHN_UNLOCK(wrch);
} else
ret = EINVAL;
}
break;
case SNDCTL_DSP_SETDUPLEX: