Re: [PATCH 4/5] staging: sm750fb: Remove unnecessary else after return

From: Joe Perches
Date: Mon Feb 27 2017 - 14:32:41 EST


On Mon, 2017-02-27 at 23:44 +0530, simran singhal wrote:
> This patch fixes the checkpatch warning that else is not generally
> useful after a break or return.
[]
> diff --git a/drivers/staging/sm750fb/ddk750_swi2c.c b/drivers/staging/sm750fb/ddk750_swi2c.c
[]
> @@ -295,8 +294,7 @@ static long sw_i2c_write_byte(unsigned char data)
>
> if (i < 0xff)
> return 0;
> - else
> - return -1;
> + return -1;

Assuming -1 is some sort of error,
it'd be a more common style to use

if (i >= 0xff)
return -1;

return 0;

Looking at the code, it might make
sense to use something like:

/* SDA still != 0 */
if (i >= 0xff)
return -1;

return 0;
}