On Fri, Feb 14, 2020 at 01:43:34PM +0200, Andy Shevchenko wrote: > Symbolic permissions 'S_IRUSR | S_IRGRP' are not preferred. > Use octal permissions '0440'. This also makes code shorter. > > Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx> > --- > drivers/tty/serial/serial_core.c | 26 +++++++++++++------------- > 1 file changed, 13 insertions(+), 13 deletions(-) > > diff --git a/drivers/tty/serial/serial_core.c b/drivers/tty/serial/serial_core.c > index bb2287048108..7564bbd3061c 100644 > --- a/drivers/tty/serial/serial_core.c > +++ b/drivers/tty/serial/serial_core.c > @@ -2749,19 +2749,19 @@ static ssize_t uart_get_attr_iomem_reg_shift(struct device *dev, > return snprintf(buf, PAGE_SIZE, "%d\n", tmp.iomem_reg_shift); > } > > -static DEVICE_ATTR(type, S_IRUSR | S_IRGRP, uart_get_attr_type, NULL); > -static DEVICE_ATTR(line, S_IRUSR | S_IRGRP, uart_get_attr_line, NULL); > -static DEVICE_ATTR(port, S_IRUSR | S_IRGRP, uart_get_attr_port, NULL); > -static DEVICE_ATTR(irq, S_IRUSR | S_IRGRP, uart_get_attr_irq, NULL); > -static DEVICE_ATTR(flags, S_IRUSR | S_IRGRP, uart_get_attr_flags, NULL); > -static DEVICE_ATTR(xmit_fifo_size, S_IRUSR | S_IRGRP, uart_get_attr_xmit_fifo_size, NULL); > -static DEVICE_ATTR(uartclk, S_IRUSR | S_IRGRP, uart_get_attr_uartclk, NULL); > -static DEVICE_ATTR(close_delay, S_IRUSR | S_IRGRP, uart_get_attr_close_delay, NULL); > -static DEVICE_ATTR(closing_wait, S_IRUSR | S_IRGRP, uart_get_attr_closing_wait, NULL); > -static DEVICE_ATTR(custom_divisor, S_IRUSR | S_IRGRP, uart_get_attr_custom_divisor, NULL); > -static DEVICE_ATTR(io_type, S_IRUSR | S_IRGRP, uart_get_attr_io_type, NULL); > -static DEVICE_ATTR(iomem_base, S_IRUSR | S_IRGRP, uart_get_attr_iomem_base, NULL); > -static DEVICE_ATTR(iomem_reg_shift, S_IRUSR | S_IRGRP, uart_get_attr_iomem_reg_shift, NULL); > +static DEVICE_ATTR(type, 0440, uart_get_attr_type, NULL); > +static DEVICE_ATTR(line, 0440, uart_get_attr_line, NULL); > +static DEVICE_ATTR(port, 0440, uart_get_attr_port, NULL); > +static DEVICE_ATTR(irq, 0440, uart_get_attr_irq, NULL); > +static DEVICE_ATTR(flags, 0440, uart_get_attr_flags, NULL); > +static DEVICE_ATTR(xmit_fifo_size, 0440, uart_get_attr_xmit_fifo_size, NULL); > +static DEVICE_ATTR(uartclk, 0440, uart_get_attr_uartclk, NULL); > +static DEVICE_ATTR(close_delay, 0440, uart_get_attr_close_delay, NULL); > +static DEVICE_ATTR(closing_wait, 0440, uart_get_attr_closing_wait, NULL); > +static DEVICE_ATTR(custom_divisor, 0440, uart_get_attr_custom_divisor, NULL); > +static DEVICE_ATTR(io_type, 0440, uart_get_attr_io_type, NULL); > +static DEVICE_ATTR(iomem_base, 0440, uart_get_attr_iomem_base, NULL); > +static DEVICE_ATTR(iomem_reg_shift, 0440, uart_get_attr_iomem_reg_shift, NULL); I'll take these, but we should move them all to DEVICE_ATTR_RO() as that would make things a lot more "obvious" what is happening here. thanks, greg k-h