[SLOF] [PATCH slof 07/13] e1000: Compile with -Wextra

Thomas Huth thuth at redhat.com
Fri Jan 29 02:04:09 AEDT 2021


On 27/01/2021 09.57, Alexey Kardashevskiy wrote:
> -Wextra enables a bunch of rather useful checks which this fixes.
> 
> Signed-off-by: Alexey Kardashevskiy <aik at ozlabs.ru>
> ---
>   lib/libe1k/e1k.c | 16 ++++++++--------
>   1 file changed, 8 insertions(+), 8 deletions(-)
> 
> diff --git a/lib/libe1k/e1k.c b/lib/libe1k/e1k.c
> index 4dd7d2eb97c2..3bbc75fba199 100644
> --- a/lib/libe1k/e1k.c
> +++ b/lib/libe1k/e1k.c
> @@ -163,7 +163,7 @@ static const e1k_dev_t e1k_dev[] = {
>   	{ 0x1016, E1K_82540, "82540EP Mobile" },
>   	{ 0x1017, E1K_82540, "82540EP Desktop" },
>   	{ 0x100E, E1K_82540, "82540EM Desktop" },
> -	{ 0     , 0 }
> +	{ 0 }
>   };

Ack for the above change (or you could simply add a NULL as third 
parameter), but are the changes below really required? Seem like you only 
tried to get rid of the unused-parameter warnings which you finally switched 
off anyway?

  Thomas


>   /*
> @@ -182,8 +182,8 @@ check_driver(uint16_t vendor_id, uint16_t device_id);
>   
>   static int e1k_init(net_driver_t *driver);
>   static int e1k_term(void);
> -static int e1k_xmit(char *f_buffer_pc, int f_len_i);
> -static int e1k_receive(char *f_buffer_pc, int f_len_i);
> +static int e1k_xmit(char *f_buffer_pc, unsigned f_len_i);
> +static int e1k_receive(char *f_buffer_pc, unsigned f_len_i);
>   
>   /**
>    * Translate virtual to "physical" address, ie. an address
> @@ -549,11 +549,11 @@ e1k_mac_init(uint8_t *f_mac_pu08)
>    * e1k_receive
>    */
>   static int
> -e1k_receive(char *f_buffer_pc, int f_len_i)
> +e1k_receive(char *f_buffer_pc, unsigned f_len_i)
>   {
>   	uint32_t	l_rdh_u32 = e1k_rd32(RDH);	// this includes needed dummy read
>   	e1k_rx_desc_st	*rx;
> -	int		l_ret_i;
> +	unsigned	l_ret_i;
>   
>   	#ifdef E1K_DEBUG
>   	#ifdef E1K_SHOW_RCV_DATA
> @@ -589,11 +589,11 @@ e1k_receive(char *f_buffer_pc, int f_len_i)
>   	 * copy the data
>   	 */
>   	memcpy((uint8_t *) f_buffer_pc, dma2virt(bswap_64(rx->m_buffer_u64)),
> -		(size_t) l_ret_i);
> +		(size_t) MIN(l_ret_i, f_len_i));
>   
>   	#ifdef E1K_DEBUG
>   	#if defined(E1K_SHOW_RCV) || defined(E1K_SHOW_RCV_DATA)
> -	printf("e1k: %d bytes received\n", l_ret_i);
> +	printf("e1k: %d bytes received (max %d)\n", l_ret_i, f_len_i);
>   	#endif
>   
>   	#ifdef E1K_SHOW_RCV_DATA
> @@ -631,7 +631,7 @@ e1k_receive(char *f_buffer_pc, int f_len_i)
>   }
>   
>   static int
> -e1k_xmit(char *f_buffer_pc, int f_len_i)
> +e1k_xmit(char *f_buffer_pc, unsigned f_len_i)
>   {
>   	uint32_t	l_tdh_u32 = e1k_rd32(TDH);
>   	uint32_t	l_tdt_u32 = e1k_rd32(TDT);
> 



More information about the SLOF mailing list