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Subject[PATCH] [media] gspca: Use common error handling code in gspca_init_transfer()
Date
From: Markus Elfring <elfring@users.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@users.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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