On Thu, Jun 30, 2022 at 01:30:14PM +0200, Felix Schlepper wrote:
> The initial reason for looking at this code was an
> issue raised by checkpatch.pl:
>
> $ ./scripts/checkpatch.pl --terse -f drivers/staging/rtl8192e/rtllib_wx.c
> CHECK: Please use a blank line after function/struct/union/enum
> declarations
>
> The additional blank line above the struct/before the headers is
> just cleaner.
>
> However, as it turns out since there is no str formatting required
> One can replace the error prone str + size struct with a char array.
> The rest of this patch fixes the usecases.
>
> Signed-off-by: Felix Schlepper <f3sch.git@xxxxxxxxxxx>
> ---
> drivers/staging/rtl8192e/rtllib_wx.c | 21 +++++----------------
> 1 file changed, 5 insertions(+), 16 deletions(-)
>
> diff --git a/drivers/staging/rtl8192e/rtllib_wx.c b/drivers/staging/rtl8192e/rtllib_wx.c
> index cf9a240924f2..1e420230d029 100644
> --- a/drivers/staging/rtl8192e/rtllib_wx.c
> +++ b/drivers/staging/rtl8192e/rtllib_wx.c
> @@ -17,18 +17,8 @@
> #include <linux/module.h>
> #include <linux/etherdevice.h>
> #include "rtllib.h"
> -struct modes_unit {
> - char *mode_string;
> - int mode_size;
> -};
> -static struct modes_unit rtllib_modes[] = {
> - {"a", 1},
> - {"b", 1},
> - {"g", 1},
> - {"?", 1},
> - {"N-24G", 5},
> - {"N-5G", 4},
> -};
> +
> +static const char *rtllib_modes[] = { "a", "b", "g", "?", "N-24G", "N-5G" };
>
> #define MAX_CUSTOM_LEN 64
> static inline char *rtl819x_translate_scan(struct rtllib_device *ieee,
> @@ -72,10 +62,9 @@ static inline char *rtl819x_translate_scan(struct rtllib_device *ieee,
> /* Add the protocol name */
> iwe.cmd = SIOCGIWNAME;
> for (i = 0; i < ARRAY_SIZE(rtllib_modes); i++) {
> - if (network->mode&(1<<i)) {
> - sprintf(pname, rtllib_modes[i].mode_string,
> - rtllib_modes[i].mode_size);
> - pname += rtllib_modes[i].mode_size;
> + if(network->mode & BIT(i)){
> + strcpy(pname, rtllib_modes[i]);
> + pname += strlen(rtllib_modes[i]);
> }
> }
> *pname = '\0';
> --
> 2.36.1
>
>
Always run checkpatch on your changes so you do not get grumpy
maintainers asking you why you did not run checkpatch on your changes...
thanks,
greg k-h
