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Date: Mon, 18 Sep 2017 18:45:23 +0200 From: SF Markus Elfring <elfring@...rs.sourceforge.net> To: linux-media@...r.kernel.org, Bhumika Goyal <bhumirks@...il.com>, Hans Verkuil <hverkuil@...all.nl>, Mauro Carvalho Chehab <mchehab@...nel.org>, Sakari Ailus <sakari.ailus@...ux.intel.com> Cc: LKML <linux-kernel@...r.kernel.org>, kernel-janitors@...r.kernel.org Subject: [PATCH] [media] gspca: Use common error handling code in gspca_init_transfer() From: Markus Elfring <elfring@...rs.sourceforge.net> Date: Mon, 18 Sep 2017 18:40:05 +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@...rs.sourceforge.net> --- drivers/media/usb/gspca/gspca.c | 17 +++++++++-------- 1 file changed, 9 insertions(+), 8 deletions(-) diff --git a/drivers/media/usb/gspca/gspca.c b/drivers/media/usb/gspca/gspca.c index 0f141762abf1..22cdefe38e07 100644 --- a/drivers/media/usb/gspca/gspca.c +++ b/drivers/media/usb/gspca/gspca.c @@ -904,10 +904,8 @@ static int gspca_init_transfer(struct gspca_dev *gspca_dev) ret = create_urbs(gspca_dev, alt_xfer(&intf->altsetting[alt], xfer, gspca_dev->xfer_ep)); - if (ret < 0) { - destroy_urbs(gspca_dev); - goto out; - } + if (ret < 0) + goto destroy_urbs; } /* clear the bulk endpoint */ @@ -917,10 +915,9 @@ static int gspca_init_transfer(struct gspca_dev *gspca_dev) /* start the cam */ ret = gspca_dev->sd_desc->start(gspca_dev); - if (ret < 0) { - destroy_urbs(gspca_dev); - goto out; - } + if (ret < 0) + goto destroy_urbs; + gspca_dev->streaming = 1; v4l2_ctrl_handler_setup(gspca_dev->vdev.ctrl_handler); @@ -970,6 +967,10 @@ static int gspca_init_transfer(struct gspca_dev *gspca_dev) out: gspca_input_create_urb(gspca_dev); return ret; + +destroy_urbs: + destroy_urbs(gspca_dev); + goto out; } static void gspca_set_default_mode(struct gspca_dev *gspca_dev) -- 2.14.1
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