target/linux/bcm27xx/patches-5.4/950-0481-drm-modes-parse_cmdline-Make-various-char-pointers-c.patch

   1 From 250363a413cd08e723789e1b8821608ff5eebfe6 Mon Sep 17 00:00:00 2001
   2 From: Hans de Goede <hdegoede@redhat.com>
   3 Date: Mon, 18 Nov 2019 16:51:23 +0100
   4 Subject: [PATCH] drm/modes: parse_cmdline: Make various char pointers
   5  const
   6
   7 Commit 83e14ea3a64f00897cc31974d3ae4e27e5a7405b upstream.
   8
   9 We are not supposed to modify the passed in string, make char pointers
  10 used in drm_mode_parse_cmdline_options() const char * where possible.
  11
  12 Acked-by: Maxime Ripard <mripard@kernel.org>
  13 Signed-off-by: Hans de Goede <hdegoede@redhat.com>
  14 Link: https://patchwork.freedesktop.org/patch/msgid/20191118155134.30468-2-hdegoede@redhat.com
  15 ---
  16  drivers/gpu/drm/drm_modes.c | 10 +++++-----
  17  1 file changed, 5 insertions(+), 5 deletions(-)
  18
  19 --- a/drivers/gpu/drm/drm_modes.c
  20 +++ b/drivers/gpu/drm/drm_modes.c
  21 @@ -1591,15 +1591,15 @@ static int drm_mode_parse_cmdline_int(co
  22         return 0;
  23  }
  24
  25 -static int drm_mode_parse_cmdline_options(char *str, size_t len,
  26 +static int drm_mode_parse_cmdline_options(const char *str, size_t len,
  27                                           const struct drm_connector *connector,
  28                                           struct drm_cmdline_mode *mode)
  29  {
  30         unsigned int deg, margin, rotation = 0;
  31 -       char *sep = str;
  32 +       const char *sep = str;
  33
  34         while ((sep = strchr(sep, ','))) {
  35 -               char *delim, *option;
  36 +               const char *delim, *option;
  37
  38                 option = sep + 1;
  39                 delim = strchr(option, '=');
  40 @@ -1725,8 +1725,8 @@ bool drm_mode_parse_command_line_for_con
  41         bool named_mode = false, parse_extras = false;
  42         unsigned int bpp_off = 0, refresh_off = 0, options_off = 0;
  43         unsigned int mode_end = 0;
  44 -       char *bpp_ptr = NULL, *refresh_ptr = NULL, *extra_ptr = NULL;
  45 -       char *options_ptr = NULL;
  46 +       const char *bpp_ptr = NULL, *refresh_ptr = NULL, *extra_ptr = NULL;
  47 +       const char *options_ptr = NULL;
  48         char *bpp_end_ptr = NULL, *refresh_end_ptr = NULL;
  49         int ret;
  50