Source of cmdlinepart.c - linux-imx - PHYTEC BitBucket (Stash)

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        *num_parts = this_part + 1;
        alloc_size = *num_parts * sizeof(struct mtd_partition) +
                 extra_mem_size;
​
        parts = kzalloc(alloc_size, GFP_KERNEL);
        if (!parts)
            return ERR_PTR(-ENOMEM);
        extra_mem = (unsigned char *)(parts + *num_parts);
    }
​
    /* enter this partition (offset will be calculated later if it is zero at this point) */
    /*
     * enter this partition (offset will be calculated later if it is
     * OFFSET_CONTINUOUS at this point)
     */
    parts[this_part].size = size;
    parts[this_part].offset = offset;
    parts[this_part].mask_flags = mask_flags;
    if (name)
        strlcpy(extra_mem, name, name_len + 1);
    else
        sprintf(extra_mem, "Partition_%03d", this_part);
    parts[this_part].name = extra_mem;
    extra_mem += name_len + 1;
​