> This *untested* patch adds strdup(). There are about five or six
> different strdup() implementations in various parts of the kernel.
>
> +#ifndef __HAVE_ARCH_STRDUP
> +/**
> + * strdup - allocate memory and duplicate a string
> + */
> +char *strdup(const char *s)
> +{
> + char *p = kmalloc(strlen(s) + 1, GFP_KERNEL);
> + if (p)
> + strcpy(p, s);
> +
> + return p;
> }
Comments:
* arch-specific strdup is unlikely
* IMO safer to create a strndup, and then update all strdup callers to
use strndup...
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