linux-kernel - [PATCH v2 3/5] drivers: usb: core: devio.c: Braces around if-elseif-else

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Date:	Mon, 14 Oct 2013 21:46:38 +0200
From:	Matthias Beyer <mail@...ermatthias.de>
To:	gregkh@...uxfoundation.org
Cc:	linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org,
	Matthias Beyer <mail@...ermatthias.de>
Subject: [PATCH v2 3/5] drivers: usb: core: devio.c: Braces around if-elseif-else

This patch applies the rules for braces to the if-elseif-else statement
in proc_ioctl().

As the kernel styleguide says: If there is at least one multiline block
in a if-else branching, we should add braces around all blocks. This
includes braces around the switch-statement on the else branch, which
needs a reindent after adding the braces.

Signed-off-by: Matthias Beyer <mail@...ermatthias.de>
---
 drivers/usb/core/devio.c | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/drivers/usb/core/devio.c b/drivers/usb/core/devio.c
index d15aa51..dd8701b 100644
--- a/drivers/usb/core/devio.c
+++ b/drivers/usb/core/devio.c
@@ -1222,7 +1222,7 @@ static int proc_do_submiturb(struct dev_state *ps, struct usbdevfs_urb *uurb,
 		return -ENOENT;
 
 	u = 0;
-	switch(uurb->type) {
+	switch (uurb->type) {
 	case USBDEVFS_URB_TYPE_CONTROL:
 		if (!usb_endpoint_xfer_control(&ep->desc))
 			return -EINVAL;
@@ -1838,11 +1838,12 @@ static int proc_ioctl(struct dev_state *ps, struct usbdevfs_ioctl *ctl)
 		return -ENODEV;
 	}
 
-	if (ps->dev->state != USB_STATE_CONFIGURED)
+	if (ps->dev->state != USB_STATE_CONFIGURED) {
 		retval = -EHOSTUNREACH;
-	else if (!(intf = usb_ifnum_to_if(ps->dev, ctl->ifno)))
+	} else if (!(intf = usb_ifnum_to_if(ps->dev, ctl->ifno))) {
 		retval = -EINVAL;
-	else switch (ctl->ioctl_code) {
+	} else {
+	switch (ctl->ioctl_code) {
 
 	/* disconnect kernel driver from interface */
 	case USBDEVFS_DISCONNECT:
@@ -1874,6 +1875,7 @@ static int proc_ioctl(struct dev_state *ps, struct usbdevfs_ioctl *ctl)
 				retval = -ENOTTY;
 		}
 	}
+	}
 
 	/* cleanup and return */
 	if (retval >= 0
-- 
1.8.4

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