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usb: gadget: u_serial: use %*ph to print small buffer 

Use %*ph format to print small buffer as hex string.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20201228200203.58525-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Andy Shevchenko 2020-12-28 22:02:03 +02:00 committed by Greg Kroah-Hartman
parent 43da4f92a6
commit 9b3bd89842
1 changed files with 1 additions and 3 deletions
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4
drivers/usb/gadget/function/u_serial.c
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@ -258,9 +258,7 @@ __acquires(&port->port_lock)
list_del(&req->list);
req->zero = kfifo_is_empty(&port->port_write_buf);
pr_vdebug("ttyGS%d: tx len=%d, 0x%02x 0x%02x 0x%02x ...\n",
port->port_num, len, *((u8 *)req->buf),
*((u8 *)req->buf+1), *((u8 *)req->buf+2));
pr_vdebug("ttyGS%d: tx len=%d, %3ph ...\n", port->port_num, len, req->buf);
/* Drop lock while we call out of driver; completions
* could be issued while we do so. Disconnection may