On Mon, 2013-06-17 at 18:26 +0200, Lorenz Haspel wrote:
> fixed checkpatch error:
> added parenthesis around complex macros.
[]
> diff --git a/drivers/staging/silicom/bpctl_mod.c 
> b/drivers/staging/silicom/bpctl_mod.c
[]
> @@ -44,9 +44,11 @@ MODULE_VERSION(BP_MOD_VER);
>  spinlock_t bpvm_lock;
>  
>  #define lock_bpctl()                                 \
> -if (down_interruptible(&bpctl_sema)) {                       \
> -     return -ERESTARTSYS;                            \
> -}                                                    \
> +do {                                                 \
> +     if (down_interruptible(&bpctl_sema)) {          \
> +             return -ERESTARTSYS;                    \
> +     }                                               \
> +} while (0)

Macros with goto or return are also poor style.
Probably better to expand these in-place instead.

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