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usb: xhci: remove the code build warning 

Initialize the 'err' variate to remove the build warning,
the warning is shown as below:

drivers/usb/host/xhci-tegra.c: In function 'tegra_xusb_mbox_thread':
drivers/usb/host/xhci-tegra.c:552:6: warning: 'err' may be used uninitialized in this function [-Wuninitialized]
drivers/usb/host/xhci-tegra.c:482:6: note: 'err' was declared here

Fixes: e84fce0f88 ("usb: xhci: Add NVIDIA Tegra XUSB controller driver")
Signed-off-by: Dongjiu Geng <gengdongjiu@huawei.com>
Acked-by: Thierry Reding <treding@nvidia.com>
Acked-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Dongjiu Geng 2018-06-21 16:19:43 +03:00 committed by Greg Kroah-Hartman
parent d850c16583
commit 36eb93509c
1 changed files with 1 additions and 1 deletions
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2
drivers/usb/host/xhci-tegra.c
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@ -481,7 +481,7 @@ static void tegra_xusb_mbox_handle(struct tegra_xusb *tegra,
unsigned long mask;
unsigned int port;
bool idle, enable;
int err;
int err = 0;
memset(&rsp, 0, sizeof(rsp));