usb: host: xhci: Remove some unnecessary return value initializations

The ret/retval will be set when it used, no need to init at definition.

[modified subject line -Mathias]

Signed-off-by: Linyu Yuan <quic_linyyuan@quicinc.com>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Link: https://lore.kernel.org/r/20220303110903.1662404-10-mathias.nyman@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c
index 1aa10db..642610c 100644 (file)
--- a/drivers/usb/host/xhci.c
+++ b/drivers/usb/host/xhci.c
@@ -325,7 +325,7 @@ static int xhci_setup_msi(struct xhci_hcd *xhci)
  */
 static int xhci_setup_msix(struct xhci_hcd *xhci)
 {
-       int i, ret = 0;
+       int i, ret;
        struct usb_hcd *hcd = xhci_to_hcd(xhci);
        struct pci_dev *pdev = to_pci_dev(hcd->self.controller);
 
@@ -579,7 +579,7 @@ static int xhci_all_ports_seen_u0(struct xhci_hcd *xhci)
 static int xhci_init(struct usb_hcd *hcd)
 {
        struct xhci_hcd *xhci = hcd_to_xhci(hcd);
-       int retval = 0;
+       int retval;
 
        xhci_dbg_trace(xhci, trace_xhci_dbg_init, "xhci_init");
        spin_lock_init(&xhci->lock);
@@ -3975,7 +3975,7 @@ int xhci_disable_slot(struct xhci_hcd *xhci, u32 slot_id)
        struct xhci_command *command;
        unsigned long flags;
        u32 state;
-       int ret = 0;
+       int ret;
 
        command = xhci_alloc_command(xhci, true, GFP_KERNEL);
        if (!command)
@@ -4011,7 +4011,7 @@ int xhci_disable_slot(struct xhci_hcd *xhci, u32 slot_id)
 
        xhci_free_command(xhci, command);
 
-       return ret;
+       return 0;
 }
 
 /*