[U-Boot] [PATCH 1/6] sf: ops: Squash the malloc+memset combo
Marek Vasut
marex at denx.de
Sat Jan 18 21:34:29 CET 2014
On Saturday, January 18, 2014 at 09:06:28 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 | 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..1fac63a 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) {
> + printf("SF: Failed to allocate cmd\n");
Usually if your memory allocation fails on 4 bytes of data, the printf() here
will not happen either :) Just use debug().
btw. if you use printf() without args, rather use puts()
> + return ret;
> + }
>
> cmd[0] = flash->read_cmd;
> while (len) {
Best regards,
Marek Vasut
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