[dm-devel] [PATCH v3 01/12] crypto: LLVMLinux: Add macro to remove use of VLAIS in crypto code

[Michał Mirosław]

2014-09-15 9:30 GMT+02:00  <behanw at converseincode.com>:
[...]
> +#define SHASH_DESC_ON_STACK(shash, tfm)                                  \
> +       char __desc[sizeof(struct shash_desc) +                   \
> +               crypto_shash_descsize(tfm)] CRYPTO_MINALIGN_ATTR; \
> +       struct shash_desc *shash = (struct shash_desc *)__desc
> +

char shash##__desc[] or similar? Otherwise it won't work if you use
this macro twice in the same block.

Best Regards,
Michał Mirosław