[U-Boot] [PATCH v2 1/5] sf: ops: Squash the malloc+memset combo

Fabio Estevam festevam at gmail.com
Mon Jan 20 15:35:13 CET 2014


On Mon, Jan 20, 2014 at 12:29 PM, Jagannadha Sutradharudu Teki
<jagannadha.sutradharudu-teki at xilinx.com> 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 | 7 +++++--
>  1 file changed, 5 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/mtd/spi/sf_ops.c b/drivers/mtd/spi/sf_ops.c
> index 1f1bb36..abdb0ef 100644
> --- a/drivers/mtd/spi/sf_ops.c
> +++ b/drivers/mtd/spi/sf_ops.c
> @@ -381,8 +381,11 @@ 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);
> +       if (!cmd) {
> +               debug("SF: Failed to allocate cmd\n");
> +               return ret;

Shouldn't you return -ENOMEM instead?

Regards,

Fabio Estevam


More information about the U-Boot mailing list