From: SF Markus Elfring <elfring@users.sourceforge.net>
To: alsa-devel@alsa-project.org,
Andrew Morton <akpm@linux-foundation.org>,
Arvind Yadav <arvind.yadav.cs@gmail.com>,
Dave Jiang <dave.jiang@intel.com>,
Jaroslav Kysela <perex@perex.cz>, Johan Hovold <johan@kernel.org>,
Mauro Carvalho Chehab <mchehab@kernel.org>,
Takashi Iwai <tiwai@suse.com>
Cc: kernel-janitors@vger.kernel.org, LKML <linux-kernel@vger.kernel.org>
Subject: [PATCH 2/2] ALSA: usx2y: Use common error handling code in submit_urbs()
Date: Wed, 06 Sep 2017 13:17:38 +0000 [thread overview]
Message-ID: <aa96b0c6-09cf-16c6-91e2-7fb490b815f3@users.sourceforge.net> (raw)
In-Reply-To: <6743b977-4293-42d2-6c1b-cb83b687bd66@users.sourceforge.net>
From: Markus Elfring <elfring@users.sourceforge.net>
Date: Wed, 6 Sep 2017 15:00:08 +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/usb/usx2y/usb_stream.c | 18 ++++++++++--------
1 file changed, 10 insertions(+), 8 deletions(-)
diff --git a/sound/usb/usx2y/usb_stream.c b/sound/usb/usx2y/usb_stream.c
index fe926cb9192e..4dab49080700 100644
--- a/sound/usb/usx2y/usb_stream.c
+++ b/sound/usb/usx2y/usb_stream.c
@@ -352,20 +352,22 @@ static int submit_urbs(struct usb_stream_kernel *sk,
int err;
prepare_inurb(sk->idle_outurb->number_of_packets, sk->idle_inurb);
err = usb_submit_urb(sk->idle_inurb, GFP_ATOMIC);
- if (err < 0) {
- snd_printk(KERN_ERR "%i\n", err);
- return err;
- }
+ if (err < 0)
+ goto report_failure;
+
sk->idle_inurb = sk->completed_inurb;
sk->completed_inurb = inurb;
err = usb_submit_urb(sk->idle_outurb, GFP_ATOMIC);
- if (err < 0) {
- snd_printk(KERN_ERR "%i\n", err);
- return err;
- }
+ if (err < 0)
+ goto report_failure;
+
sk->idle_outurb = sk->completed_outurb;
sk->completed_outurb = outurb;
return 0;
+
+report_failure:
+ snd_printk(KERN_ERR "%i\n", err);
+ return err;
}
#ifdef DEBUG_LOOP_BACK
--
2.14.1
next prev parent reply other threads:[~2017-09-06 13:17 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-09-06 13:15 [PATCH 0/2] ALSA: usx2y: Fine-tuning for two function implementations SF Markus Elfring
2017-09-06 13:16 ` [PATCH 1/2] ALSA: us122l: Use common error handling code in us122l_create_card() SF Markus Elfring
2017-09-07 8:28 ` Takashi Iwai
2017-09-06 13:17 ` SF Markus Elfring [this message]
2017-09-07 8:28 ` [PATCH 2/2] ALSA: usx2y: Use common error handling code in submit_urbs() Takashi Iwai
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