[U-Boot] [PATCH 1/3] sf: ops: Squash the malloc+memset combo

Marek Vasut marex at denx.de
Fri Jan 17 15:43:31 CET 2014


On Friday, January 17, 2014 at 03:41:45 PM, Jagannadha Sutradharudu Teki wrote:
> Squash the malloc()+memset() combo in favor of calloc().
> 
> Signed-off-by: Jagannadha Sutradharudu Teki <jaganna at xilinx.com>
> Cc: Marek Vasut <marex at denx.de>
> ---
>  drivers/mtd/spi/sf_ops.c | 3 +--
>  1 file changed, 1 insertion(+), 2 deletions(-)
> 
> diff --git a/drivers/mtd/spi/sf_ops.c b/drivers/mtd/spi/sf_ops.c
> index 1f1bb36..9650486 100644
> --- a/drivers/mtd/spi/sf_ops.c
> +++ b/drivers/mtd/spi/sf_ops.c
> @@ -381,8 +381,7 @@ int spi_flash_cmd_read_ops(struct spi_flash *flash, u32
> offset, }
> 
>  	cmdsz = SPI_FLASH_CMD_LEN + flash->dummy_byte;
> -	cmd = malloc(cmdsz);
> -	memset(cmd, 0, cmdsz);
> +	cmd = calloc(1, cmdsz);
> 
>  	cmd[0] = flash->read_cmd;

What exactly will happen here when calloc() fails ? :-)

(that means, please check the return value ;-) )

>  	while (len) {

Best regards,
Marek Vasut


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