Merge "applypatch: Fix the checking in WriteToPartition()."

}

// Write a memory buffer to 'target' partition, a string of the form

// "MTD:<partition>[:...]" or "EMMC:<partition_device>".  Return 0 on

// success.

// "MTD:<partition>[:...]" or "EMMC:<partition_device>[:...]". The target name

// might contain multiple colons, but WriteToPartition() only uses the first

// two and ignores the rest. Return 0 on success.

int WriteToPartition(unsigned char* data, size_t len, const char* target) {

    std::string copy(target);

    std::vector<std::string> pieces = android::base::Split(copy, ":");

    if (pieces.size() != 2) {

    if (pieces.size() < 2) {

        printf("WriteToPartition called with bad target (%s)\n", target);

        return -1;

    }