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(parent: 95713fb) | patch
usb: xhci: Clean up error code in xhci_dbc_tty_register_device()
authorDan Carpenter <dan.carpenter@oracle.com>
Fri, 16 Mar 2018 14:32:58 +0000 (16:32 +0200)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Fri, 16 Mar 2018 14:40:18 +0000 (15:40 +0100)
commit29f653393e740b159933b03de25f929bec7b31b7
treec19bca4c96ec116e1cece26e1913e49d1be8841btree | snapshot
parent95713fb8aa039e9cd89ff545b62bd2a860c36e39commit | diff
usb: xhci: Clean up error code in xhci_dbc_tty_register_device()

tty_port_register_device() returns error pointers on error, never NULL.
The IS_ERR_OR_NULL() function returns either 1 or 0 so it means we
return 1 on error instead of a proper error code.  The caller only
checks for zero vs non-zero so this doesn't affect runtime.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/usb/host/xhci-dbgtty.c diff | blob | history
Domain: System / Kernel;