Messages in this thread Patch in this message | | | Subject | [PATCH 2/2] ALSA: usx2y: Use common error handling code in submit_urbs() | From | SF Markus Elfring <> | Date | Wed, 6 Sep 2017 15:17:38 +0200 |
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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
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