redonkable/alistair23-linux
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usb: move assignment out of if condition

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Fix four occurrences of checkpatch.pl error:

ERROR: do not use assignment in if condition

The semantic patch that makes this change is:

// <smpl>
@@
identifier i;
expression E;
statement S;
constant c;
binary operator b;
@@

+ i = E;
  if (
- (i = E)
+ i
  b
  c ) S

@@
identifier i, i2;
expression E1, E2;
constant c;
@@

+ if( E1->i ) {
+  	i2 = E2;
+ 	if (i2 < c) {
- if( E1->i && (i2 = E2) < c ) {
  ...
- }
+ 	}
+ }
// </smpl>

Signed-off-by: Kris Borer <kborer@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Kris Borer 2015-07-14 09:28:30 -04:00 committed by Greg Kroah-Hartman
parent c2a298d966
commit 0faaad4615
1 changed files with 13 additions and 6 deletions
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19
drivers/usb/core/hcd.c
View file

@ -2683,12 +2683,14 @@ int usb_add_hcd(struct usb_hcd *hcd,
* bottom up so that hcds can customize the root hubs before hub_wq
* starts talking to them. (Note, bus id is assigned early too.)
*/
if ((retval = hcd_buffer_create(hcd)) != 0) {
retval = hcd_buffer_create(hcd);
if (retval != 0) {
dev_dbg(hcd->self.controller, "pool alloc failed\n");
goto err_create_buf;
}
if ((retval = usb_register_bus(&hcd->self)) < 0)
retval = usb_register_bus(&hcd->self);
if (retval < 0)
goto err_register_bus;
rhdev = usb_alloc_dev(NULL, &hcd->self, 0);
@ -2734,9 +2736,13 @@ int usb_add_hcd(struct usb_hcd *hcd,
/* "reset" is misnamed; its role is now one-time init. the controller
* should already have been reset (and boot firmware kicked off etc).
*/
if (hcd->driver->reset && (retval = hcd->driver->reset(hcd)) < 0) {
dev_err(hcd->self.controller, "can't setup: %d\n", retval);
goto err_hcd_driver_setup;
if (hcd->driver->reset) {
retval = hcd->driver->reset(hcd);
if (retval < 0) {
dev_err(hcd->self.controller, "can't setup: %d\n",
retval);
goto err_hcd_driver_setup;
}
}
hcd->rh_pollable = 1;
@ -2766,7 +2772,8 @@ int usb_add_hcd(struct usb_hcd *hcd,
}
/* starting here, usbcore will pay attention to this root hub */
if ((retval = register_root_hub(hcd)) != 0)
retval = register_root_hub(hcd);
if (retval != 0)
goto err_register_root_hub;
retval = sysfs_create_group(&rhdev->dev.kobj, &usb_bus_attr_group);