On Aug 23 2017 21:54, SF Markus Elfring wrote:
From: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
Date: Wed, 23 Aug 2017 14:45:20 +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@xxxxxxxxxxxxxxxxxxxxx>
---
v2:
It seems that a source code adjustment was requested by Takashi Sakamoto
for another if branch.
sound/firewire/fireface/ff-pcm.c | 20 ++++++++++----------
1 file changed, 10 insertions(+), 10 deletions(-)
Reviewed-by: Takashi Sakamoto <o-takashi@xxxxxxxxxxxxx>
diff --git a/sound/firewire/fireface/ff-pcm.c b/sound/firewire/fireface/ff-pcm.c
index d12a0e3a4219..e3c16308363d 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) {
@@ -159,8 +155,8 @@ static int pcm_open(struct snd_pcm_substream *substream)
* streaming engine can't support.
*/
if (i >= CIP_SFC_COUNT) {
- snd_ff_stream_lock_release(ff);
- return -EIO;
+ err = -EIO;
+ goto release_lock;
}
substream->runtime->hw.rate_min = rate;
@@ -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)
Thanks
Takashi Sakamoto
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