Messages in this thread | | | Subject | Re: [PATCH] ALSA: Fireface: Use common error handling code in pcm_open() | From | Takashi Sakamoto <> | Date | Wed, 23 Aug 2017 09:22:53 +0900 |
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Hi,
On Aug 23 2017 04:51, SF Markus Elfring wrote: > From: Markus Elfring <elfring@users.sourceforge.net> > Date: Tue, 22 Aug 2017 21:45:42 +0200 > > Add a jump target so that a bit of exception handling can be better reused > at the end of this function. > > This issue was detected by using the Coccinelle software. > > Signed-off-by: Markus Elfring <elfring@users.sourceforge.net> > --- > sound/firewire/fireface/ff-pcm.c | 16 ++++++++-------- > 1 file changed, 8 insertions(+), 8 deletions(-) > > diff --git a/sound/firewire/fireface/ff-pcm.c b/sound/firewire/fireface/ff-pcm.c > index d12a0e3a4219..40975395a64a 100644 > --- a/sound/firewire/fireface/ff-pcm.c > +++ b/sound/firewire/fireface/ff-pcm.c > @@ -138,16 +138,12 @@ static int pcm_open(struct snd_pcm_substream *substream) > return err; > > err = pcm_init_hw_params(ff, substream); > - if (err < 0) { > - snd_ff_stream_lock_release(ff); > - return err; > - } > + if (err < 0) > + goto release_lock; > > err = ff->spec->protocol->get_clock(ff, &rate, &src); > - if (err < 0) { > - snd_ff_stream_lock_release(ff); > - return err; > - } > + if (err < 0) > + goto release_lock; > > if (src != SND_FF_CLOCK_SRC_INTERNAL) { > for (i = 0; i < CIP_SFC_COUNT; ++i) { > @@ -177,6 +173,10 @@ static int pcm_open(struct snd_pcm_substream *substream) > snd_pcm_set_sync(substream); > > return 0; > + > +release_lock: > + snd_ff_stream_lock_release(ff); > + return err; > } > > static int pcm_close(struct snd_pcm_substream *substream)
A line to return for err is still left after applying this patch.
148 if (src != SND_FF_CLOCK_SRC_INTERNAL) { 149 for (i = 0; i < CIP_SFC_COUNT; ++i) { 150 if (amdtp_rate_table[i] == rate) 151 break; 152 } 153 /* 154 * The unit is configured at sampling frequency which packet 155 * streaming engine can't support. 156 */ 157 if (i >= CIP_SFC_COUNT) { 158 snd_ff_stream_lock_release(ff); 159 return -EIO; 160 } 161
Regards
Takashi Sakamoto
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