Re: [PATCH] staging: sm750fb: constify static char pointer arrays

[Greg Kroah-Hartman <gregkh@linuxfoundation.org>]

On Tue, Mar 31, 2026 at 05:07:38AM +0000, Hungyu Lin wrote:
> The static const char * arrays 'g_fbmode' and 'fix_id' should be
> defined as 'static const char * const' to make the pointer arrays
> themselves constant. This allows the compiler to place them in the
> read-only data section.
> 
> Signed-off-by: Hungyu Lin <dennylin0707@gmail.com>
> ---
>  drivers/staging/sm750fb/sm750.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/staging/sm750fb/sm750.c b/drivers/staging/sm750fb/sm750.c
> index 9a42a08c8..b0bdfaeca 100644
> --- a/drivers/staging/sm750fb/sm750.c
> +++ b/drivers/staging/sm750fb/sm750.c
> @@ -33,7 +33,7 @@
>  static int g_hwcursor = 1;
>  static int g_noaccel;
>  static int g_nomtrr;
> -static const char *g_fbmode[] = {NULL, NULL};
> +static const char * const g_fbmode[] = {NULL, NULL};
>  static const char *g_def_fbmode = "1024x768-32@60";
>  static char *g_settings;
>  static int g_dualview;
> @@ -728,7 +728,7 @@ static int lynxfb_set_fbinfo(struct fb_info *info, int index)
>  		lynx750_ext, NULL, vesa_modes,
>  	};
>  	int cdb[] = {ARRAY_SIZE(lynx750_ext), 0, VESA_MODEDB_SIZE};
> -	static const char *fix_id[2] = {
> +	static const char * const fix_id[2] = {
>  		"sm750_fb1", "sm750_fb2",
>  	};
>  
> -- 
> 2.34.1
> 
> 

Please always test-build your changes so you do not get grumpy kernel
maintainers asking you why you did not test-build your changes :(

thanks,

greg k-h