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authorHans de Goede <hdegoede@redhat.com>2019-11-18 16:51:23 +0100
committerHans de Goede <hdegoede@redhat.com>2019-12-16 12:13:17 +0100
commit83e14ea3a64f00897cc31974d3ae4e27e5a7405b (patch)
tree96164795d745c54d19d6c358bab51960b04d9f9f /drivers/gpu/drm/drm_modes.c
parent8582e244e5fe72d2e9ace186fa8f3ed3bb4122e1 (diff)
drm/modes: parse_cmdline: Make various char pointers const
We are not supposed to modify the passed in string, make char pointers used in drm_mode_parse_cmdline_options() const char * where possible. Acked-by: Maxime Ripard <mripard@kernel.org> Signed-off-by: Hans de Goede <hdegoede@redhat.com> Link: https://patchwork.freedesktop.org/patch/msgid/20191118155134.30468-2-hdegoede@redhat.com
Diffstat (limited to 'drivers/gpu/drm/drm_modes.c')
-rw-r--r--drivers/gpu/drm/drm_modes.c10
1 files changed, 5 insertions, 5 deletions
diff --git a/drivers/gpu/drm/drm_modes.c b/drivers/gpu/drm/drm_modes.c
index 3c3c7435225f..654d4b6fecb3 100644
--- a/drivers/gpu/drm/drm_modes.c
+++ b/drivers/gpu/drm/drm_modes.c
@@ -1591,15 +1591,15 @@ static int drm_mode_parse_cmdline_int(const char *delim, unsigned int *int_ret)
return 0;
}
-static int drm_mode_parse_cmdline_options(char *str, size_t len,
+static int drm_mode_parse_cmdline_options(const char *str, size_t len,
const struct drm_connector *connector,
struct drm_cmdline_mode *mode)
{
unsigned int deg, margin, rotation = 0;
- char *sep = str;
+ const char *sep = str;
while ((sep = strchr(sep, ','))) {
- char *delim, *option;
+ const char *delim, *option;
option = sep + 1;
delim = strchr(option, '=');
@@ -1718,8 +1718,8 @@ bool drm_mode_parse_command_line_for_connector(const char *mode_option,
bool named_mode = false, parse_extras = false;
unsigned int bpp_off = 0, refresh_off = 0, options_off = 0;
unsigned int mode_end = 0;
- char *bpp_ptr = NULL, *refresh_ptr = NULL, *extra_ptr = NULL;
- char *options_ptr = NULL;
+ const char *bpp_ptr = NULL, *refresh_ptr = NULL, *extra_ptr = NULL;
+ const char *options_ptr = NULL;
char *bpp_end_ptr = NULL, *refresh_end_ptr = NULL;
int ret;