[PATCH] doc: Fix eth_env_[gs]et_enetaddr() return value

Heinrich Schuchardt heinrich.schuchardt at canonical.com
Sun Dec 18 07:37:56 CET 2022



On 12/18/22 04:11, Marek Vasut wrote:
> Per env/common.c, eth_env_get_enetaddr() returns the same return
> values as is_valid_ethaddr(), i.e. true if valid, false otherwise.
> Per env/common.c, eth_env_set_enetaddr() may return -EEXIST is the
> ethaddr is already set. Fix both.
> 
> Signed-off-by: Marek Vasut <marex at denx.de>
> ---
> Cc: Heinrich Schuchardt <heinrich.schuchardt at canonical.com>
> Cc: Marek Behún <marek.behun at nic.cz>
> Cc: Simon Glass <sjg at chromium.org>
> Cc: Tom Rini <trini at konsulko.com>
> ---
>   include/env.h | 4 ++--
>   1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/include/env.h b/include/env.h
> index 60acb5454ec..969737cb75e 100644
> --- a/include/env.h
> +++ b/include/env.h
> @@ -226,7 +226,7 @@ int env_complete(char *var, int maxv, char *cmdv[], int maxsz, char *buf,
>    *
>    * @name: Environment variable to get (e.g. "ethaddr")
>    * @enetaddr: Place to put MAC address (6 bytes)
> - * Return: 0 if OK, 1 on error
> + * Return: 1 if OK, 0 on error
>    */
>   int eth_env_get_enetaddr(const char *name, uint8_t *enetaddr);
>   
> @@ -235,7 +235,7 @@ int eth_env_get_enetaddr(const char *name, uint8_t *enetaddr);
>    *
>    * @name: Environment variable to set (e.g. "ethaddr")
>    * @enetaddr: Pointer to MAC address to put into the variable (6 bytes)
> - * Return: 0 if OK, 1 on error
> + * Return: 0 if OK, -ve on error

env_set() will return 1 in case of an error. So how about:

Return: 0 if OK, non-zero otherwise

Best regards

Heinrich

>    */
>   int eth_env_set_enetaddr(const char *name, const uint8_t *enetaddr);
>   


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