Fix:
samsung.c: In function 's3c_onenand_check_lock_status':
samsung.c:486:6: warning: variable 'tmp' set but not used
[-Wunused-but-set-variable]
Signed-off-by: Anatolij Gustschin <agust@denx.de>
 {
        struct onenand_chip *this = mtd->priv;
        unsigned int block, end;
-       int tmp;
 
        end = this->chipsize >> this->erase_shift;
 
        for (block = 0; block < end; block++) {
-               tmp = s3c_read_cmd(CMD_MAP_01(onenand->mem_addr(block, 0, 0)));
+               s3c_read_cmd(CMD_MAP_01(onenand->mem_addr(block, 0, 0)));
 
                if (readl(&onenand->reg->int_err_stat) & LOCKED_BLK) {
                        printf("block %d is write-protected!\n", block);